aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/extras/Mesa/src/mesa/drivers/dri/savage/savagetex.c
diff options
context:
space:
mode:
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/savage/savagetex.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/drivers/dri/savage/savagetex.c2133
1 files changed, 2133 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/savage/savagetex.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/savage/savagetex.c
new file mode 100644
index 000000000..ce9d1def8
--- /dev/null
+++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/savage/savagetex.c
@@ -0,0 +1,2133 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <GL/gl.h>
+
+#include "mm.h"
+#include "savagecontext.h"
+#include "savagetex.h"
+#include "savagetris.h"
+#include "savageioctl.h"
+#include "simple_list.h"
+#include "enums.h"
+#include "savage_bci.h"
+
+#include "macros.h"
+#include "texformat.h"
+#include "texstore.h"
+#include "texobj.h"
+
+#include "convolve.h"
+#include "colormac.h"
+
+#include "swrast/swrast.h"
+
+#include "xmlpool.h"
+
+#define TILE_INDEX_DXT1 0
+#define TILE_INDEX_8 1
+#define TILE_INDEX_16 2
+#define TILE_INDEX_DXTn 3
+#define TILE_INDEX_32 4
+
+/* On Savage4 the texure LOD-bias needs an offset of ~ 0.3 to get
+ * somewhere close to software rendering.
+ */
+#define SAVAGE4_LOD_OFFSET 10
+
+/* Tile info for S3TC formats counts in 4x4 blocks instead of texels.
+ * In DXT1 each block is encoded in 64 bits. In DXT3 and 5 each block is
+ * encoded in 128 bits. */
+
+/* Size 1, 2 and 4 images are packed into the last subtile. Each image
+ * is repeated to fill a 4x4 pixel area. The figure below shows the
+ * layout of those 4x4 pixel areas in the 8x8 subtile.
+ *
+ * 4 2
+ * x 1
+ *
+ * Yuck! 8-bit texture formats use 4x8 subtiles. See below.
+ */
+static const savageTileInfo tileInfo_pro[5] = {
+ {16, 16, 16, 8, 1, 2, {0x18, 0x10}}, /* DXT1 */
+ {64, 32, 16, 4, 4, 8, {0x30, 0x20}}, /* 8-bit */
+ {64, 16, 8, 2, 8, 8, {0x48, 0x08}}, /* 16-bit */
+ {16, 8, 16, 4, 1, 2, {0x30, 0x20}}, /* DXT3, DXT5 */
+ {32, 16, 4, 2, 8, 8, {0x90, 0x10}}, /* 32-bit */
+};
+
+/* Size 1, 2 and 4 images are packed into the last two subtiles. Each
+ * image is repeated to fill a 4x4 pixel area. The figures below show
+ * the layout of those 4x4 pixel areas in the two 4x8 subtiles.
+ *
+ * second last subtile: 4 last subtile: 2
+ * x 1
+ */
+static const savageTileInfo tileInfo_s3d_s4[5] = {
+ {16, 16, 16, 8, 1, 2, {0x18, 0x10}}, /* DXT1 */
+ {64, 32, 16, 4, 4, 8, {0x30, 0x20}}, /* 8-bit */
+ {64, 16, 16, 2, 4, 8, {0x60, 0x40}}, /* 16-bit */
+ {16, 8, 16, 4, 1, 2, {0x30, 0x20}}, /* DXT3, DXT5 */
+ {32, 16, 8, 2, 4, 8, {0xc0, 0x80}}, /* 32-bit */
+};
+
+/** \brief Template for subtile uploads.
+ * \param h height in pixels
+ * \param w width in bytes
+ */
+#define SUBTILE_FUNC(w,h) \
+static __inline GLubyte *savageUploadSubtile_##w##x##h \
+(GLubyte *dest, GLubyte *src, GLuint srcStride) \
+{ \
+ GLuint y; \
+ for (y = 0; y < h; ++y) { \
+ memcpy (dest, src, w); \
+ src += srcStride; \
+ dest += w; \
+ } \
+ return dest; \
+}
+
+SUBTILE_FUNC(2, 8) /* 4 bits per pixel, 4 pixels wide */
+SUBTILE_FUNC(4, 8)
+SUBTILE_FUNC(8, 8)
+SUBTILE_FUNC(16, 8)
+SUBTILE_FUNC(32, 8) /* 4 bytes per pixel, 8 pixels wide */
+
+SUBTILE_FUNC(8, 2) /* DXT1 */
+SUBTILE_FUNC(16, 2) /* DXT3 and DXT5 */
+
+/** \brief Upload a complete tile from src (srcStride) to dest
+ *
+ * \param tileInfo Pointer to tiling information
+ * \param wInSub Width of source/dest image in subtiles
+ * \param hInSub Height of source/dest image in subtiles
+ * \param bpp Bytes per pixel
+ * \param src Pointer to source data
+ * \param srcStride Byte stride of rows in the source data
+ * \param dest Pointer to destination
+ *
+ * Writes linearly to the destination memory in order to exploit write
+ * combining.
+ *
+ * For a complete tile wInSub and hInSub are set to the same values as
+ * in tileInfo. If the source image is smaller than a whole tile in
+ * one or both dimensions then they are set to the values of the
+ * source image. This only works as long as the source image is bigger
+ * than 8x8 pixels.
+ */
+static void savageUploadTile (const savageTileInfo *tileInfo,
+ GLuint wInSub, GLuint hInSub, GLuint bpp,
+ GLubyte *src, GLuint srcStride, GLubyte *dest) {
+ GLuint subStride = tileInfo->subWidth * bpp;
+ GLubyte *srcSRow = src, *srcSTile = src;
+ GLubyte *(*subtileFunc) (GLubyte *, GLubyte *, GLuint);
+ GLuint sx, sy;
+ switch (subStride) {
+ case 2: subtileFunc = savageUploadSubtile_2x8; break;
+ case 4: subtileFunc = savageUploadSubtile_4x8; break;
+ case 8: subtileFunc = tileInfo->subHeight == 8 ?
+ savageUploadSubtile_8x8 : savageUploadSubtile_8x2; break;
+ case 16: subtileFunc = tileInfo->subHeight == 8 ?
+ savageUploadSubtile_16x8 : savageUploadSubtile_16x2; break;
+ case 32: subtileFunc = savageUploadSubtile_32x8; break;
+ default: assert(0);
+ }
+ for (sy = 0; sy < hInSub; ++sy) {
+ srcSTile = srcSRow;
+ for (sx = 0; sx < wInSub; ++sx) {
+ src = srcSTile;
+ dest = subtileFunc (dest, src, srcStride);
+ srcSTile += subStride;
+ }
+ srcSRow += srcStride * tileInfo->subHeight;
+ }
+}
+
+/** \brief Upload a image that is smaller than 8 pixels in either dimension.
+ *
+ * \param tileInfo Pointer to tiling information
+ * \param width Width of the image
+ * \param height Height of the image
+ * \param bpp Bytes per pixel
+ * \param src Pointer to source data
+ * \param dest Pointer to destination
+ *
+ * This function handles all the special cases that need to be taken
+ * care off. The caller may need to call this function multiple times
+ * with the destination offset in different ways since small texture
+ * images must be repeated in order to fill a whole tile (or 4x4 for
+ * the last 3 levels).
+ *
+ * FIXME: Repeating inside this function would be more efficient.
+ */
+static void savageUploadTiny (const savageTileInfo *tileInfo,
+ GLuint pixWidth, GLuint pixHeight,
+ GLuint width, GLuint height, GLuint bpp,
+ GLubyte *src, GLubyte *dest) {
+ GLuint size = MAX2(pixWidth, pixHeight);
+
+ if (width > tileInfo->subWidth) { /* assert: height <= subtile height */
+ GLuint wInSub = width / tileInfo->subWidth;
+ GLuint srcStride = width * bpp;
+ GLuint subStride = tileInfo->subWidth * bpp;
+ GLuint subSkip = (tileInfo->subHeight - height) * subStride;
+ GLubyte *srcSTile = src;
+ GLuint sx, y;
+ for (sx = 0; sx < wInSub; ++sx) {
+ src = srcSTile;
+ for (y = 0; y < height; ++y) {
+ memcpy (dest, src, subStride);
+ src += srcStride;
+ dest += subStride;
+ }
+ dest += subSkip;
+ srcSTile += subStride;
+ }
+ } else if (size > 4) { /* a tile or less wide, except the last 3 levels */
+ GLuint srcStride = width * bpp;
+ GLuint subStride = tileInfo->subWidth * bpp;
+ /* if the subtile width is 4 we have to skip every other subtile */
+ GLuint subSkip = tileInfo->subWidth <= 4 ?
+ subStride * tileInfo->subHeight : 0;
+ GLuint skipRemainder = tileInfo->subHeight - 1;
+ GLuint y;
+ for (y = 0; y < height; ++y) {
+ memcpy (dest, src, srcStride);
+ src += srcStride;
+ dest += subStride;
+ if ((y & skipRemainder) == skipRemainder)
+ dest += subSkip;
+ }
+ } else { /* the last 3 mipmap levels */
+ GLuint offset = (size <= 2 ? tileInfo->tinyOffset[size-1] : 0);
+ GLuint subStride = tileInfo->subWidth * bpp;
+ GLuint y;
+ dest += offset;
+ for (y = 0; y < height; ++y) {
+ memcpy (dest, src, bpp*width);
+ src += width * bpp;
+ dest += subStride;
+ }
+ }
+}
+
+/** \brief Upload an image from mesa's internal copy.
+ */
+static void savageUploadTexLevel( savageTexObjPtr t, int level )
+{
+ const struct gl_texture_image *image = t->base.tObj->Image[0][level];
+ const savageTileInfo *tileInfo = t->tileInfo;
+ GLuint pixWidth = image->Width2, pixHeight = image->Height2;
+ GLuint bpp = t->texelBytes;
+ GLuint width, height;
+
+ /* FIXME: Need triangle (rather than pixel) fallbacks to simulate
+ * this using normal textured triangles.
+ *
+ * DO THIS IN DRIVER STATE MANAGMENT, not hardware state.
+ */
+ if(image->Border != 0)
+ fprintf (stderr, "Not supported texture border %d.\n",
+ (int) image->Border);
+
+ if (t->hwFormat == TFT_S3TC4A4Bit || t->hwFormat == TFT_S3TC4CA4Bit ||
+ t->hwFormat == TFT_S3TC4Bit) {
+ width = (pixWidth+3) / 4;
+ height = (pixHeight+3) / 4;
+ } else {
+ width = pixWidth;
+ height = pixHeight;
+ }
+
+ if (pixWidth >= 8 && pixHeight >= 8) {
+ GLuint *dirtyPtr = t->image[level].dirtyTiles;
+ GLuint dirtyMask = 1;
+
+ if (width >= tileInfo->width && height >= tileInfo->height) {
+ GLuint wInTiles = width / tileInfo->width;
+ GLuint hInTiles = height / tileInfo->height;
+ GLubyte *srcTRow = image->Data, *src;
+ GLubyte *dest = (GLubyte *)(t->bufAddr + t->image[level].offset);
+ GLuint x, y;
+ for (y = 0; y < hInTiles; ++y) {
+ src = srcTRow;
+ for (x = 0; x < wInTiles; ++x) {
+ if (*dirtyPtr & dirtyMask) {
+ savageUploadTile (tileInfo,
+ tileInfo->wInSub, tileInfo->hInSub,
+ bpp, src, width * bpp, dest);
+ }
+ src += tileInfo->width * bpp;
+ dest += 2048; /* tile size is always 2k */
+ if (dirtyMask == 1<<31) {
+ dirtyMask = 1;
+ dirtyPtr++;
+ } else
+ dirtyMask <<= 1;
+ }
+ srcTRow += width * tileInfo->height * bpp;
+ }
+ } else if (width >= tileInfo->width) {
+ GLuint wInTiles = width / tileInfo->width;
+ GLubyte *src = image->Data;
+ GLubyte *dest = (GLubyte *)(t->bufAddr + t->image[level].offset);
+ GLuint tileStride = tileInfo->width * bpp * height;
+ savageContextPtr imesa = (savageContextPtr)t->base.heap->driverContext;
+ GLuint x;
+ /* Savage3D-based chips seem so use a constant tile stride
+ * of 2048 for vertically incomplete tiles, but only if
+ * the color depth is 32bpp. Nobody said this was supposed
+ * to be logical!
+ */
+ if (bpp == 4 && imesa->savageScreen->chipset < S3_SAVAGE4)
+ tileStride = 2048;
+ for (x = 0; x < wInTiles; ++x) {
+ if (*dirtyPtr & dirtyMask) {
+ savageUploadTile (tileInfo,
+ tileInfo->wInSub,
+ height / tileInfo->subHeight,
+ bpp, src, width * bpp, dest);
+ }
+ src += tileInfo->width * bpp;
+ dest += tileStride;
+ if (dirtyMask == 1<<31) {
+ dirtyMask = 1;
+ dirtyPtr++;
+ } else
+ dirtyMask <<= 1;
+ }
+ } else {
+ savageUploadTile (tileInfo, width / tileInfo->subWidth,
+ height / tileInfo->subHeight, bpp,
+ image->Data, width * bpp,
+ (GLubyte *)(t->bufAddr+t->image[level].offset));
+ }
+ } else {
+ GLuint minHeight, minWidth, hRepeat, vRepeat, x, y;
+ if (t->hwFormat == TFT_S3TC4A4Bit || t->hwFormat == TFT_S3TC4CA4Bit ||
+ t->hwFormat == TFT_S3TC4Bit)
+ minWidth = minHeight = 1;
+ else
+ minWidth = minHeight = 4;
+ if (width > minWidth || height > minHeight) {
+ minWidth = tileInfo->subWidth;
+ minHeight = tileInfo->subHeight;
+ }
+ hRepeat = width >= minWidth ? 1 : minWidth / width;
+ vRepeat = height >= minHeight ? 1 : minHeight / height;
+ for (y = 0; y < vRepeat; ++y) {
+ GLuint offset = y * tileInfo->subWidth*height * bpp;
+ for (x = 0; x < hRepeat; ++x) {
+ savageUploadTiny (tileInfo, pixWidth, pixHeight,
+ width, height, bpp, image->Data,
+ (GLubyte *)(t->bufAddr +
+ t->image[level].offset+offset));
+ offset += width * bpp;
+ }
+ }
+ }
+}
+
+/** \brief Compute the destination size of a texture image
+ */
+static GLuint savageTexImageSize (GLuint width, GLuint height, GLuint bpp) {
+ /* full subtiles */
+ if (width >= 8 && height >= 8)
+ return width * height * bpp;
+ /* special case for the last three mipmap levels: the hardware computes
+ * the offset internally */
+ else if (width <= 4 && height <= 4)
+ return 0;
+ /* partially filled sub tiles waste memory
+ * on Savage3D and Savage4 with subtile width 4 every other subtile is
+ * skipped if width < 8 so we can assume a uniform subtile width of 8 */
+ else if (width >= 8)
+ return width * 8 * bpp;
+ else if (height >= 8)
+ return 8 * height * bpp;
+ else
+ return 64 * bpp;
+}
+
+/** \brief Compute the destination size of a compressed texture image
+ */
+static GLuint savageCompressedTexImageSize (GLuint width, GLuint height,
+ GLuint bpp) {
+ width = (width+3) / 4;
+ height = (height+3) / 4;
+ /* full subtiles */
+ if (width >= 2 && height >= 2)
+ return width * height * bpp;
+ /* special case for the last three mipmap levels: the hardware computes
+ * the offset internally */
+ else if (width <= 1 && height <= 1)
+ return 0;
+ /* partially filled sub tiles waste memory
+ * on Savage3D and Savage4 with subtile width 4 every other subtile is
+ * skipped if width < 8 so we can assume a uniform subtile width of 8 */
+ else if (width >= 2)
+ return width * 2 * bpp;
+ else if (height >= 2)
+ return 2 * height * bpp;
+ else
+ return 4 * bpp;
+}
+
+/** \brief Compute the number of (partial) tiles of a texture image
+ */
+static GLuint savageTexImageTiles (GLuint width, GLuint height,
+ const savageTileInfo *tileInfo)
+{
+ return (width + tileInfo->width - 1) / tileInfo->width *
+ (height + tileInfo->height - 1) / tileInfo->height;
+}
+
+/** \brief Mark dirty tiles
+ *
+ * Some care must be taken because tileInfo may not be set or not
+ * up-to-date. So we check if tileInfo is initialized and if the number
+ * of tiles in the bit vector matches the number of tiles computed from
+ * the current tileInfo.
+ */
+static void savageMarkDirtyTiles (savageTexObjPtr t, GLuint level,
+ GLuint totalWidth, GLuint totalHeight,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLsizei height)
+{
+ GLuint wInTiles, hInTiles;
+ GLuint x0, y0, x1, y1;
+ GLuint x, y;
+ if (!t->tileInfo)
+ return;
+ wInTiles = (totalWidth + t->tileInfo->width - 1) / t->tileInfo->width;
+ hInTiles = (totalHeight + t->tileInfo->height - 1) / t->tileInfo->height;
+ if (wInTiles * hInTiles != t->image[level].nTiles)
+ return;
+
+ x0 = xoffset / t->tileInfo->width;
+ y0 = yoffset / t->tileInfo->height;
+ x1 = (xoffset + width - 1) / t->tileInfo->width;
+ y1 = (yoffset + height - 1) / t->tileInfo->height;
+
+ for (y = y0; y <= y1; ++y) {
+ GLuint *ptr = t->image[level].dirtyTiles + (y * wInTiles + x0) / 32;
+ GLuint mask = 1 << (y * wInTiles + x0) % 32;
+ for (x = x0; x <= x1; ++x) {
+ *ptr |= mask;
+ if (mask == (1<<31)) {
+ ptr++;
+ mask = 1;
+ } else {
+ mask <<= 1;
+ }
+ }
+ }
+}
+
+/** \brief Mark all tiles as dirty
+ */
+static void savageMarkAllTiles (savageTexObjPtr t, GLuint level)
+{
+ GLuint words = (t->image[level].nTiles + 31) / 32;
+ if (words)
+ memset(t->image[level].dirtyTiles, ~0, words*sizeof(GLuint));
+}
+
+
+static void savageSetTexWrapping(savageTexObjPtr tex, GLenum s, GLenum t)
+{
+ tex->setup.sWrapMode = s;
+ tex->setup.tWrapMode = t;
+}
+
+static void savageSetTexFilter(savageTexObjPtr t, GLenum minf, GLenum magf)
+{
+ t->setup.minFilter = minf;
+ t->setup.magFilter = magf;
+}
+
+
+/* Need a fallback ?
+ */
+static void savageSetTexBorderColor(savageTexObjPtr t, GLubyte color[4])
+{
+/* t->Setup[SAVAGE_TEXREG_TEXBORDERCOL] = */
+ /*t->setup.borderColor = SAVAGEPACKCOLOR8888(color[0],color[1],color[2],color[3]); */
+}
+
+
+
+static savageTexObjPtr
+savageAllocTexObj( struct gl_texture_object *texObj )
+{
+ savageTexObjPtr t;
+
+ t = (savageTexObjPtr) calloc(1,sizeof(*t));
+ texObj->DriverData = t;
+ if ( t != NULL ) {
+ GLuint i;
+
+ /* Initialize non-image-dependent parts of the state:
+ */
+ t->base.tObj = texObj;
+ t->base.dirty_images[0] = 0;
+ t->dirtySubImages = 0;
+ t->tileInfo = NULL;
+
+ /* Initialize dirty tiles bit vectors
+ */
+ for (i = 0; i < SAVAGE_TEX_MAXLEVELS; ++i)
+ t->image[i].nTiles = 0;
+
+ /* FIXME Something here to set initial values for other parts of
+ * FIXME t->setup?
+ */
+
+ make_empty_list( &t->base );
+
+ savageSetTexWrapping(t,texObj->WrapS,texObj->WrapT);
+ savageSetTexFilter(t,texObj->MinFilter,texObj->MagFilter);
+ savageSetTexBorderColor(t,texObj->_BorderChan);
+ }
+
+ return t;
+}
+
+/* Mesa texture formats for alpha-images on Savage3D/IX/MX
+ *
+ * Promoting texture images to ARGB888 or ARGB4444 doesn't work
+ * because we can't tell the hardware to ignore the color components
+ * and only use the alpha component. So we define our own texture
+ * formats that promote to ARGB8888 or ARGB4444 and set the color
+ * components to white. This way we get the correct result. */
+static GLboolean
+_savage_texstore_a1114444 (GLcontext *ctx, GLuint dims,
+ GLenum baseInternalFormat,
+ const struct gl_texture_format *dstFormat,
+ GLvoid *dstAddr,
+ GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
+ GLint dstRowStride, GLint dstImageStride,
+ GLint srcWidth, GLint srcHeight, GLint srcDepth,
+ GLenum srcFormat, GLenum srcType,
+ const GLvoid *srcAddr,
+ const struct gl_pixelstore_attrib *srcPacking);
+static GLboolean
+_savage_texstore_a1118888 (GLcontext *ctx, GLuint dims,
+ GLenum baseInternalFormat,
+ const struct gl_texture_format *dstFormat,
+ GLvoid *dstAddr,
+ GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
+ GLint dstRowStride, GLint dstImageStride,
+ GLint srcWidth, GLint srcHeight, GLint srcDepth,
+ GLenum srcFormat, GLenum srcType,
+ const GLvoid *srcAddr,
+ const struct gl_pixelstore_attrib *srcPacking);
+
+static struct gl_texture_format _savage_texformat_a1114444 = {
+ MESA_FORMAT_ARGB4444, /* MesaFormat */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 4, /* RedBits */
+ 4, /* GreenBits */
+ 4, /* BlueBits */
+ 4, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 2, /* TexelBytes */
+ _savage_texstore_a1114444, /* StoreTexImageFunc */
+ NULL, NULL, NULL, NULL, NULL, NULL /* FetchTexel* filled in by
+ * savageDDInitTextureFuncs */
+};
+static struct gl_texture_format _savage_texformat_a1118888 = {
+ MESA_FORMAT_ARGB8888, /* MesaFormat */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 8, /* RedBits */
+ 8, /* GreenBits */
+ 8, /* BlueBits */
+ 8, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 4, /* TexelBytes */
+ _savage_texstore_a1118888, /* StoreTexImageFunc */
+ NULL, NULL, NULL, NULL, NULL, NULL /* FetchTexel* filled in by
+ * savageDDInitTextureFuncs */
+};
+
+static GLboolean
+_savage_texstore_a1114444 (GLcontext *ctx, GLuint dims,
+ GLenum baseInternalFormat,
+ const struct gl_texture_format *dstFormat,
+ GLvoid *dstAddr,
+ GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
+ GLint dstRowStride, GLint dstImageStride,
+ GLint srcWidth, GLint srcHeight, GLint srcDepth,
+ GLenum srcFormat, GLenum srcType,
+ const GLvoid *srcAddr,
+ const struct gl_pixelstore_attrib *srcPacking)
+{
+ /* general path */
+ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+ baseInternalFormat,
+ baseInternalFormat,
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking);
+ const GLchan *src = tempImage;
+ GLubyte *dstImage = (GLubyte *) dstAddr
+ + dstZoffset * dstImageStride
+ + dstYoffset * dstRowStride
+ + dstXoffset * dstFormat->TexelBytes;
+ GLint img, row, col;
+
+ ASSERT(dstFormat == &_savage_texformat_a1114444);
+ ASSERT(baseInternalFormat == GL_ALPHA);
+
+ if (!tempImage)
+ return GL_FALSE;
+ _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
+ for (img = 0; img < srcDepth; img++) {
+ GLubyte *dstRow = dstImage;
+ for (row = 0; row < srcHeight; row++) {
+ GLushort *dstUI = (GLushort *) dstRow;
+ for (col = 0; col < srcWidth; col++) {
+ dstUI[col] = PACK_COLOR_4444( CHAN_TO_UBYTE(src[0]),
+ 255, 255, 255 );
+ src += 1;
+ }
+ dstRow += dstRowStride;
+ }
+ dstImage += dstImageStride;
+ }
+ _mesa_free((void *) tempImage);
+
+ return GL_TRUE;
+}
+static GLboolean
+_savage_texstore_a1118888 (GLcontext *ctx, GLuint dims,
+ GLenum baseInternalFormat,
+ const struct gl_texture_format *dstFormat,
+ GLvoid *dstAddr,
+ GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
+ GLint dstRowStride, GLint dstImageStride,
+ GLint srcWidth, GLint srcHeight, GLint srcDepth,
+ GLenum srcFormat, GLenum srcType,
+ const GLvoid *srcAddr,
+ const struct gl_pixelstore_attrib *srcPacking)
+{
+ /* general path */
+ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+ baseInternalFormat,
+ baseInternalFormat,
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking);
+ const GLchan *src = tempImage;
+ GLubyte *dstImage = (GLubyte *) dstAddr
+ + dstZoffset * dstImageStride
+ + dstYoffset * dstRowStride
+ + dstXoffset * dstFormat->TexelBytes;
+ GLint img, row, col;
+
+ ASSERT(dstFormat == &_savage_texformat_a1118888);
+ ASSERT(baseInternalFormat == GL_ALPHA);
+
+ if (!tempImage)
+ return GL_FALSE;
+ _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
+ for (img = 0; img < srcDepth; img++) {
+ GLubyte *dstRow = dstImage;
+ for (row = 0; row < srcHeight; row++) {
+ GLuint *dstUI = (GLuint *) dstRow;
+ for (col = 0; col < srcWidth; col++) {
+ dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[0]),
+ 255, 255, 255 );
+ src += 1;
+ }
+ dstRow += dstRowStride;
+ }
+ dstImage += dstImageStride;
+ }
+ _mesa_free((void *) tempImage);
+
+ return GL_TRUE;
+}
+
+/* Called by the _mesa_store_teximage[123]d() functions. */
+static const struct gl_texture_format *
+savageChooseTextureFormat( GLcontext *ctx, GLint internalFormat,
+ GLenum format, GLenum type )
+{
+ savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
+ const GLboolean do32bpt =
+ ( imesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_32 );
+ const GLboolean force16bpt =
+ ( imesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_FORCE_16 );
+ const GLboolean isSavage4 = (imesa->savageScreen->chipset >= S3_SAVAGE4);
+ (void) format;
+
+ switch ( internalFormat ) {
+ case 4:
+ case GL_RGBA:
+ case GL_COMPRESSED_RGBA:
+ switch ( type ) {
+ case GL_UNSIGNED_INT_10_10_10_2:
+ case GL_UNSIGNED_INT_2_10_10_10_REV:
+ return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb1555;
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+ return &_mesa_texformat_argb4444;
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+ return &_mesa_texformat_argb1555;
+ default:
+ return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444;
+ }
+
+ case 3:
+ case GL_RGB:
+ case GL_COMPRESSED_RGB:
+ switch ( type ) {
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+ return &_mesa_texformat_argb4444;
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+ return &_mesa_texformat_argb1555;
+ case GL_UNSIGNED_SHORT_5_6_5:
+ case GL_UNSIGNED_SHORT_5_6_5_REV:
+ return &_mesa_texformat_rgb565;
+ default:
+ return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_rgb565;
+ }
+
+ case GL_RGBA8:
+ case GL_RGBA12:
+ case GL_RGBA16:
+ return !force16bpt ?
+ &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444;
+
+ case GL_RGB10_A2:
+ return !force16bpt ?
+ &_mesa_texformat_argb8888 : &_mesa_texformat_argb1555;
+
+ case GL_RGBA4:
+ case GL_RGBA2:
+ return &_mesa_texformat_argb4444;
+
+ case GL_RGB5_A1:
+ return &_mesa_texformat_argb1555;
+
+ case GL_RGB8:
+ case GL_RGB10:
+ case GL_RGB12:
+ case GL_RGB16:
+ return !force16bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_rgb565;
+
+ case GL_RGB5:
+ case GL_RGB4:
+ case GL_R3_G3_B2:
+ return &_mesa_texformat_rgb565;
+
+ case GL_ALPHA:
+ case GL_COMPRESSED_ALPHA:
+ return isSavage4 ? &_mesa_texformat_a8 : (
+ do32bpt ? &_savage_texformat_a1118888 : &_savage_texformat_a1114444);
+ case GL_ALPHA4:
+ return isSavage4 ? &_mesa_texformat_a8 : &_savage_texformat_a1114444;
+ case GL_ALPHA8:
+ case GL_ALPHA12:
+ case GL_ALPHA16:
+ return isSavage4 ? &_mesa_texformat_a8 : (
+ !force16bpt ? &_savage_texformat_a1118888 : &_savage_texformat_a1114444);
+
+ case 1:
+ case GL_LUMINANCE:
+ case GL_COMPRESSED_LUMINANCE:
+ /* no alpha, but use argb1555 in 16bit case to get pure grey values */
+ return isSavage4 ? &_mesa_texformat_l8 : (
+ do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb1555);
+ case GL_LUMINANCE4:
+ return isSavage4 ? &_mesa_texformat_l8 : &_mesa_texformat_argb1555;
+ case GL_LUMINANCE8:
+ case GL_LUMINANCE12:
+ case GL_LUMINANCE16:
+ return isSavage4 ? &_mesa_texformat_l8 : (
+ !force16bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb1555);
+
+ case 2:
+ case GL_LUMINANCE_ALPHA:
+ case GL_COMPRESSED_LUMINANCE_ALPHA:
+ /* Savage4 has a al44 texture format. But it's not supported by Mesa. */
+ return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444;
+ case GL_LUMINANCE4_ALPHA4:
+ case GL_LUMINANCE6_ALPHA2:
+ return &_mesa_texformat_argb4444;
+ case GL_LUMINANCE8_ALPHA8:
+ case GL_LUMINANCE12_ALPHA4:
+ case GL_LUMINANCE12_ALPHA12:
+ case GL_LUMINANCE16_ALPHA16:
+ return !force16bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444;
+#if 0
+ /* TFT_I8 produces garbage on ProSavageDDR and subsequent texture
+ * disable keeps rendering garbage. Disabled for now. */
+ case GL_INTENSITY:
+ case GL_COMPRESSED_INTENSITY:
+ return isSavage4 ? &_mesa_texformat_i8 : (
+ do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444);
+ case GL_INTENSITY4:
+ return isSavage4 ? &_mesa_texformat_i8 : &_mesa_texformat_argb4444;
+ case GL_INTENSITY8:
+ case GL_INTENSITY12:
+ case GL_INTENSITY16:
+ return isSavage4 ? &_mesa_texformat_i8 : (
+ !force16bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444);
+#else
+ case GL_INTENSITY:
+ case GL_COMPRESSED_INTENSITY:
+ return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444;
+ case GL_INTENSITY4:
+ return &_mesa_texformat_argb4444;
+ case GL_INTENSITY8:
+ case GL_INTENSITY12:
+ case GL_INTENSITY16:
+ return !force16bpt ? &_mesa_texformat_argb8888 :
+ &_mesa_texformat_argb4444;
+#endif
+
+ case GL_RGB_S3TC:
+ case GL_RGB4_S3TC:
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ return &_mesa_texformat_rgb_dxt1;
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ return &_mesa_texformat_rgba_dxt1;
+
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ return &_mesa_texformat_rgba_dxt3;
+
+ case GL_RGBA_S3TC:
+ case GL_RGBA4_S3TC:
+ if (!isSavage4)
+ /* Not the best choice but Savage3D/MX/IX don't support DXT3 or DXT5. */
+ return &_mesa_texformat_rgba_dxt1;
+ /* fall through */
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ return &_mesa_texformat_rgba_dxt5;
+
+/*
+ case GL_COLOR_INDEX:
+ case GL_COLOR_INDEX1_EXT:
+ case GL_COLOR_INDEX2_EXT:
+ case GL_COLOR_INDEX4_EXT:
+ case GL_COLOR_INDEX8_EXT:
+ case GL_COLOR_INDEX12_EXT:
+ case GL_COLOR_INDEX16_EXT:
+ return &_mesa_texformat_ci8;
+*/
+ default:
+ _mesa_problem(ctx, "unexpected texture format in %s", __FUNCTION__);
+ return NULL;
+ }
+}
+
+static void savageSetTexImages( savageContextPtr imesa,
+ const struct gl_texture_object *tObj )
+{
+ savageTexObjPtr t = (savageTexObjPtr) tObj->DriverData;
+ struct gl_texture_image *image = tObj->Image[0][tObj->BaseLevel];
+ GLuint offset, i, textureFormat, tileIndex, size;
+ GLint firstLevel, lastLevel;
+
+ assert(t);
+ assert(image);
+
+ switch (image->TexFormat->MesaFormat) {
+ case MESA_FORMAT_ARGB8888:
+ textureFormat = TFT_ARGB8888;
+ t->texelBytes = tileIndex = 4;
+ break;
+ case MESA_FORMAT_ARGB1555:
+ textureFormat = TFT_ARGB1555;
+ t->texelBytes = tileIndex = 2;
+ break;
+ case MESA_FORMAT_ARGB4444:
+ textureFormat = TFT_ARGB4444;
+ t->texelBytes = tileIndex = 2;
+ break;
+ case MESA_FORMAT_RGB565:
+ textureFormat = TFT_RGB565;
+ t->texelBytes = tileIndex = 2;
+ break;
+ case MESA_FORMAT_L8:
+ textureFormat = TFT_L8;
+ t->texelBytes = tileIndex = 1;
+ break;
+ case MESA_FORMAT_I8:
+ textureFormat = TFT_I8;
+ t->texelBytes = tileIndex = 1;
+ break;
+ case MESA_FORMAT_A8:
+ textureFormat = TFT_A8;
+ t->texelBytes = tileIndex = 1;
+ break;
+ case MESA_FORMAT_RGB_DXT1:
+ textureFormat = TFT_S3TC4Bit;
+ tileIndex = TILE_INDEX_DXT1;
+ t->texelBytes = 8;
+ break;
+ case MESA_FORMAT_RGBA_DXT1:
+ textureFormat = TFT_S3TC4Bit;
+ tileIndex = TILE_INDEX_DXT1;
+ t->texelBytes = 8;
+ break;
+ case MESA_FORMAT_RGBA_DXT3:
+ textureFormat = TFT_S3TC4A4Bit;
+ tileIndex = TILE_INDEX_DXTn;
+ t->texelBytes = 16;
+ break;
+ case MESA_FORMAT_RGBA_DXT5:
+ textureFormat = TFT_S3TC4CA4Bit;
+ tileIndex = TILE_INDEX_DXTn;
+ t->texelBytes = 16;
+ break;
+ default:
+ _mesa_problem(imesa->glCtx, "Bad texture format in %s", __FUNCTION__);
+ return;
+ }
+ t->hwFormat = textureFormat;
+
+ /* Select tiling format depending on the chipset and texture format */
+ if (imesa->savageScreen->chipset <= S3_SAVAGE4)
+ t->tileInfo = &tileInfo_s3d_s4[tileIndex];
+ else
+ t->tileInfo = &tileInfo_pro[tileIndex];
+
+ /* Compute which mipmap levels we really want to send to the hardware.
+ */
+ driCalculateTextureFirstLastLevel( &t->base );
+ firstLevel = t->base.firstLevel;
+ lastLevel = t->base.lastLevel;
+
+ /* Figure out the size now (and count the levels). Upload won't be
+ * done until later. If the number of tiles changes, it means that
+ * this function is called for the first time on this tex object or
+ * the image or the destination color format changed. So all tiles
+ * are marked as dirty.
+ */
+ offset = 0;
+ size = 1;
+ for ( i = firstLevel ; i <= lastLevel && tObj->Image[0][i] ; i++ ) {
+ GLuint nTiles;
+ nTiles = savageTexImageTiles (image->Width2, image->Height2, t->tileInfo);
+ if (t->image[i].nTiles != nTiles) {
+ GLuint words = (nTiles + 31) / 32;
+ if (t->image[i].nTiles != 0) {
+ free(t->image[i].dirtyTiles);
+ }
+ t->image[i].dirtyTiles = malloc(words*sizeof(GLuint));
+ memset(t->image[i].dirtyTiles, ~0, words*sizeof(GLuint));
+ }
+ t->image[i].nTiles = nTiles;
+
+ t->image[i].offset = offset;
+
+ image = tObj->Image[0][i];
+ if (t->texelBytes >= 8)
+ size = savageCompressedTexImageSize (image->Width2, image->Height2,
+ t->texelBytes);
+ else
+ size = savageTexImageSize (image->Width2, image->Height2,
+ t->texelBytes);
+ offset += size;
+ }
+
+ t->base.lastLevel = i-1;
+ t->base.totalSize = offset;
+ /* the last three mipmap levels don't add to the offset. They are packed
+ * into 64 pixels. */
+ if (size == 0)
+ t->base.totalSize += (t->texelBytes >= 8 ? 4 : 64) * t->texelBytes;
+ /* 2k-aligned (really needed?) */
+ t->base.totalSize = (t->base.totalSize + 2047UL) & ~2047UL;
+}
+
+void savageDestroyTexObj(savageContextPtr imesa, savageTexObjPtr t)
+{
+ GLuint i;
+
+ /* Free dirty tiles bit vectors */
+ for (i = 0; i < SAVAGE_TEX_MAXLEVELS; ++i) {
+ if (t->image[i].nTiles)
+ free (t->image[i].dirtyTiles);
+ }
+
+ /* See if it was the driver's current object.
+ */
+ if ( imesa != NULL )
+ {
+ for ( i = 0 ; i < imesa->glCtx->Const.MaxTextureUnits ; i++ )
+ {
+ if ( &t->base == imesa->CurrentTexObj[ i ] ) {
+ assert( t->base.bound & (1 << i) );
+ imesa->CurrentTexObj[ i ] = NULL;
+ }
+ }
+ }
+}
+
+/* Upload a texture's images to one of the texture heaps. May have to
+ * eject our own and/or other client's texture objects to make room
+ * for the upload.
+ */
+static void savageUploadTexImages( savageContextPtr imesa, savageTexObjPtr t )
+{
+ const GLint numLevels = t->base.lastLevel - t->base.firstLevel + 1;
+ GLuint i;
+
+ assert(t);
+
+ LOCK_HARDWARE(imesa);
+
+ /* Do we need to eject LRU texture objects?
+ */
+ if (!t->base.memBlock) {
+ GLint heap;
+ GLuint ofs;
+
+ heap = driAllocateTexture(imesa->textureHeaps, imesa->lastTexHeap,
+ (driTextureObject *)t);
+ if (heap == -1) {
+ UNLOCK_HARDWARE(imesa);
+ return;
+ }
+
+ ofs = t->base.memBlock->ofs;
+ t->setup.physAddr = imesa->savageScreen->textureOffset[heap] + ofs;
+ t->bufAddr = (GLubyte *)imesa->savageScreen->texVirtual[heap] + ofs;
+ imesa->dirty |= SAVAGE_UPLOAD_GLOBAL; /* FIXME: really needed? */
+ }
+
+ /* Let the world know we've used this memory recently.
+ */
+ driUpdateTextureLRU( &t->base );
+ UNLOCK_HARDWARE(imesa);
+
+ if (t->base.dirty_images[0] || t->dirtySubImages) {
+ if (SAVAGE_DEBUG & DEBUG_VERBOSE_TEX)
+ fprintf(stderr, "Texture upload: |");
+
+ /* Heap timestamps are only reliable with Savage DRM 2.3.x or
+ * later. Earlier versions had only 16 bit time stamps which
+ * would wrap too frequently. */
+ if (imesa->savageScreen->driScrnPriv->drmMinor >= 3) {
+ unsigned int heap = t->base.heap->heapId;
+ LOCK_HARDWARE(imesa);
+ savageWaitEvent (imesa, imesa->textureHeaps[heap]->timestamp);
+ } else {
+ savageFlushVertices (imesa);
+ LOCK_HARDWARE(imesa);
+ savageFlushCmdBufLocked (imesa, GL_FALSE);
+ WAIT_IDLE_EMPTY_LOCKED(imesa);
+ }
+
+ for (i = 0 ; i < numLevels ; i++) {
+ const GLint j = t->base.firstLevel + i; /* the texObj's level */
+ if (t->base.dirty_images[0] & (1 << j)) {
+ savageMarkAllTiles(t, j);
+ if (SAVAGE_DEBUG & DEBUG_VERBOSE_TEX)
+ fprintf (stderr, "*");
+ } else if (SAVAGE_DEBUG & DEBUG_VERBOSE_TEX) {
+ if (t->dirtySubImages & (1 << j))
+ fprintf (stderr, ".");
+ else
+ fprintf (stderr, " ");
+ }
+ if ((t->base.dirty_images[0] | t->dirtySubImages) & (1 << j))
+ savageUploadTexLevel( t, j );
+ }
+
+ UNLOCK_HARDWARE(imesa);
+ t->base.dirty_images[0] = 0;
+ t->dirtySubImages = 0;
+
+ if (SAVAGE_DEBUG & DEBUG_VERBOSE_TEX)
+ fprintf(stderr, "|\n");
+ }
+}
+
+
+static void
+savage4_set_wrap_mode( savageContextPtr imesa, unsigned unit,
+ GLenum s_mode, GLenum t_mode )
+{
+ switch( s_mode ) {
+ case GL_REPEAT:
+ imesa->regs.s4.texCtrl[ unit ].ni.uMode = TAM_Wrap;
+ break;
+ case GL_CLAMP:
+ case GL_CLAMP_TO_EDGE:
+ imesa->regs.s4.texCtrl[ unit ].ni.uMode = TAM_Clamp;
+ break;
+ case GL_MIRRORED_REPEAT:
+ imesa->regs.s4.texCtrl[ unit ].ni.uMode = TAM_Mirror;
+ break;
+ }
+
+ switch( t_mode ) {
+ case GL_REPEAT:
+ imesa->regs.s4.texCtrl[ unit ].ni.vMode = TAM_Wrap;
+ break;
+ case GL_CLAMP:
+ case GL_CLAMP_TO_EDGE:
+ imesa->regs.s4.texCtrl[ unit ].ni.vMode = TAM_Clamp;
+ break;
+ case GL_MIRRORED_REPEAT:
+ imesa->regs.s4.texCtrl[ unit ].ni.vMode = TAM_Mirror;
+ break;
+ }
+}
+
+
+/**
+ * Sets the hardware bits for the specified GL texture filter modes.
+ *
+ * \todo
+ * Does the Savage4 have the ability to select the magnification filter?
+ */
+static void
+savage4_set_filter_mode( savageContextPtr imesa, unsigned unit,
+ GLenum minFilter, GLenum magFilter )
+{
+ (void) magFilter;
+
+ switch (minFilter) {
+ case GL_NEAREST:
+ imesa->regs.s4.texCtrl[ unit ].ni.filterMode = TFM_Point;
+ imesa->regs.s4.texCtrl[ unit ].ni.mipmapEnable = GL_FALSE;
+ break;
+
+ case GL_LINEAR:
+ imesa->regs.s4.texCtrl[ unit ].ni.filterMode = TFM_Bilin;
+ imesa->regs.s4.texCtrl[ unit ].ni.mipmapEnable = GL_FALSE;
+ break;
+
+ case GL_NEAREST_MIPMAP_NEAREST:
+ imesa->regs.s4.texCtrl[ unit ].ni.filterMode = TFM_Point;
+ imesa->regs.s4.texCtrl[ unit ].ni.mipmapEnable = GL_TRUE;
+ break;
+
+ case GL_LINEAR_MIPMAP_NEAREST:
+ imesa->regs.s4.texCtrl[ unit ].ni.filterMode = TFM_Bilin;
+ imesa->regs.s4.texCtrl[ unit ].ni.mipmapEnable = GL_TRUE;
+ break;
+
+ case GL_NEAREST_MIPMAP_LINEAR:
+ case GL_LINEAR_MIPMAP_LINEAR:
+ imesa->regs.s4.texCtrl[ unit ].ni.filterMode = TFM_Trilin;
+ imesa->regs.s4.texCtrl[ unit ].ni.mipmapEnable = GL_TRUE;
+ break;
+ }
+}
+
+
+static void savageUpdateTex0State_s4( GLcontext *ctx )
+{
+ savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
+ struct gl_texture_object *tObj;
+ struct gl_texture_image *image;
+ savageTexObjPtr t;
+ GLuint format;
+
+ /* disable */
+ imesa->regs.s4.texDescr.ni.tex0En = GL_FALSE;
+ imesa->regs.s4.texBlendCtrl[0].ui = TBC_NoTexMap;
+ imesa->regs.s4.texCtrl[0].ui = 0x20f040;
+ if (ctx->Texture.Unit[0]._ReallyEnabled == 0)
+ return;
+
+ tObj = ctx->Texture.Unit[0]._Current;
+ if ((ctx->Texture.Unit[0]._ReallyEnabled & ~(TEXTURE_1D_BIT|TEXTURE_2D_BIT))
+ || tObj->Image[0][tObj->BaseLevel]->Border > 0) {
+ /* 3D texturing enabled, or texture border - fallback */
+ FALLBACK (ctx, SAVAGE_FALLBACK_TEXTURE, GL_TRUE);
+ return;
+ }
+
+ /* Do 2D texture setup */
+
+ t = tObj->DriverData;
+ if (!t) {
+ t = savageAllocTexObj( tObj );
+ if (!t)
+ return;
+ }
+
+ imesa->CurrentTexObj[0] = &t->base;
+ t->base.bound |= 1;
+
+ if (t->base.dirty_images[0] || t->dirtySubImages) {
+ savageSetTexImages(imesa, tObj);
+ savageUploadTexImages(imesa, t);
+ }
+
+ driUpdateTextureLRU( &t->base );
+
+ format = tObj->Image[0][tObj->BaseLevel]->Format;
+
+ switch (ctx->Texture.Unit[0].EnvMode) {
+ case GL_REPLACE:
+ imesa->regs.s4.texCtrl[0].ni.clrArg1Invert = GL_FALSE;
+ switch(format)
+ {
+ case GL_LUMINANCE:
+ case GL_RGB:
+ imesa->regs.s4.texBlendCtrl[0].ui = TBC_Decal;
+ break;
+
+ case GL_LUMINANCE_ALPHA:
+ case GL_RGBA:
+ case GL_INTENSITY:
+ imesa->regs.s4.texBlendCtrl[0].ui = TBC_Copy;
+ break;
+
+ case GL_ALPHA:
+ imesa->regs.s4.texBlendCtrl[0].ui = TBC_CopyAlpha;
+ break;
+ }
+ __HWEnvCombineSingleUnitScale(imesa, 0, 0,
+ &imesa->regs.s4.texBlendCtrl[0]);
+ break;
+
+ case GL_DECAL:
+ imesa->regs.s4.texCtrl[0].ni.clrArg1Invert = GL_FALSE;
+ switch (format)
+ {
+ case GL_RGB:
+ case GL_LUMINANCE:
+ imesa->regs.s4.texBlendCtrl[0].ui = TBC_Decal;
+ break;
+
+ case GL_RGBA:
+ case GL_INTENSITY:
+ case GL_LUMINANCE_ALPHA:
+ imesa->regs.s4.texBlendCtrl[0].ui = TBC_DecalAlpha;
+ break;
+
+ /*
+ GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_ALPHA, GL_INTENSITY
+ are undefined with GL_DECAL
+ */
+
+ case GL_ALPHA:
+ imesa->regs.s4.texBlendCtrl[0].ui = TBC_CopyAlpha;
+ break;
+ }
+ __HWEnvCombineSingleUnitScale(imesa, 0, 0,
+ &imesa->regs.s4.texBlendCtrl[0]);
+ break;
+
+ case GL_MODULATE:
+ imesa->regs.s4.texCtrl[0].ni.clrArg1Invert = GL_FALSE;
+ imesa->regs.s4.texBlendCtrl[0].ui = TBC_ModulAlpha;
+ __HWEnvCombineSingleUnitScale(imesa, 0, 0,
+ &imesa->regs.s4.texBlendCtrl[0]);
+ break;
+
+ case GL_BLEND:
+ imesa->regs.s4.texBlendColor.ui = imesa->texEnvColor;
+
+ switch (format)
+ {
+ case GL_ALPHA:
+ imesa->regs.s4.texBlendCtrl[0].ui = TBC_ModulAlpha;
+ imesa->regs.s4.texCtrl[0].ni.clrArg1Invert = GL_FALSE;
+ break;
+
+ case GL_LUMINANCE:
+ case GL_RGB:
+ imesa->regs.s4.texBlendCtrl[0].ui = TBC_Blend0;
+ imesa->regs.s4.texDescr.ni.tex1En = GL_TRUE;
+ imesa->regs.s4.texDescr.ni.texBLoopEn = GL_TRUE;
+ imesa->regs.s4.texDescr.ni.tex1Width =
+ imesa->regs.s4.texDescr.ni.tex0Width;
+ imesa->regs.s4.texDescr.ni.tex1Height =
+ imesa->regs.s4.texDescr.ni.tex0Height;
+ imesa->regs.s4.texDescr.ni.tex1Fmt =
+ imesa->regs.s4.texDescr.ni.tex0Fmt;
+
+ imesa->regs.s4.texAddr[1].ui = imesa->regs.s4.texAddr[0].ui;
+ imesa->regs.s4.texBlendCtrl[1].ui = TBC_Blend1;
+
+ imesa->regs.s4.texCtrl[0].ni.clrArg1Invert = GL_TRUE;
+ imesa->bTexEn1 = GL_TRUE;
+ break;
+
+ case GL_LUMINANCE_ALPHA:
+ case GL_RGBA:
+ imesa->regs.s4.texBlendCtrl[0].ui = TBC_BlendAlpha0;
+ imesa->regs.s4.texDescr.ni.tex1En = GL_TRUE;
+ imesa->regs.s4.texDescr.ni.texBLoopEn = GL_TRUE;
+ imesa->regs.s4.texDescr.ni.tex1Width =
+ imesa->regs.s4.texDescr.ni.tex0Width;
+ imesa->regs.s4.texDescr.ni.tex1Height =
+ imesa->regs.s4.texDescr.ni.tex0Height;
+ imesa->regs.s4.texDescr.ni.tex1Fmt =
+ imesa->regs.s4.texDescr.ni.tex0Fmt;
+
+ imesa->regs.s4.texAddr[1].ui = imesa->regs.s4.texAddr[0].ui;
+ imesa->regs.s4.texBlendCtrl[1].ui = TBC_BlendAlpha1;
+
+ imesa->regs.s4.texCtrl[0].ni.clrArg1Invert = GL_TRUE;
+ imesa->bTexEn1 = GL_TRUE;
+ break;
+
+ case GL_INTENSITY:
+ imesa->regs.s4.texBlendCtrl[0].ui = TBC_BlendInt0;
+ imesa->regs.s4.texDescr.ni.tex1En = GL_TRUE;
+ imesa->regs.s4.texDescr.ni.texBLoopEn = GL_TRUE;
+ imesa->regs.s4.texDescr.ni.tex1Width =
+ imesa->regs.s4.texDescr.ni.tex0Width;
+ imesa->regs.s4.texDescr.ni.tex1Height =
+ imesa->regs.s4.texDescr.ni.tex0Height;
+ imesa->regs.s4.texDescr.ni.tex1Fmt =
+ imesa->regs.s4.texDescr.ni.tex0Fmt;
+
+ imesa->regs.s4.texAddr[1].ui = imesa->regs.s4.texAddr[0].ui;
+ imesa->regs.s4.texBlendCtrl[1].ui = TBC_BlendInt1;
+
+ imesa->regs.s4.texCtrl[0].ni.clrArg1Invert = GL_TRUE;
+ imesa->regs.s4.texCtrl[0].ni.alphaArg1Invert = GL_TRUE;
+ imesa->bTexEn1 = GL_TRUE;
+ break;
+ }
+ __HWEnvCombineSingleUnitScale(imesa, 0, 0,
+ &imesa->regs.s4.texBlendCtrl[0]);
+ break;
+
+ case GL_ADD:
+ imesa->regs.s4.texCtrl[0].ni.clrArg1Invert = GL_FALSE;
+ switch (format)
+ {
+ case GL_ALPHA:
+ imesa->regs.s4.texBlendCtrl[0].ui = TBC_ModulAlpha;
+ break;
+
+ case GL_LUMINANCE:
+ case GL_RGB:
+ imesa->regs.s4.texBlendCtrl[0].ui = TBC_Add;
+ break;
+
+ case GL_LUMINANCE_ALPHA:
+ case GL_RGBA:
+ imesa->regs.s4.texBlendCtrl[0].ui = TBC_Add;
+ break;
+
+ case GL_INTENSITY:
+ imesa->regs.s4.texBlendCtrl[0].ui = TBC_AddAlpha;
+ break;
+ }
+ __HWEnvCombineSingleUnitScale(imesa, 0, 0,
+ &imesa->regs.s4.texBlendCtrl[0]);
+ break;
+
+#if GL_ARB_texture_env_combine
+ case GL_COMBINE_ARB:
+ __HWParseTexEnvCombine(imesa, 0, &imesa->regs.s4.texCtrl[0],
+ &imesa->regs.s4.texBlendCtrl[0]);
+ break;
+#endif
+
+ default:
+ fprintf(stderr, "unknown tex env mode");
+ exit(1);
+ break;
+ }
+
+ savage4_set_wrap_mode( imesa, 0, t->setup.sWrapMode, t->setup.tWrapMode );
+ savage4_set_filter_mode( imesa, 0, t->setup.minFilter, t->setup.magFilter );
+
+ if((ctx->Texture.Unit[0].LodBias !=0.0F) ||
+ (imesa->regs.s4.texCtrl[0].ni.dBias != 0))
+ {
+ int bias = (int)(ctx->Texture.Unit[0].LodBias * 32.0) +
+ SAVAGE4_LOD_OFFSET;
+ if (bias < -256)
+ bias = -256;
+ else if (bias > 255)
+ bias = 255;
+ imesa->regs.s4.texCtrl[0].ni.dBias = bias & 0x1ff;
+ }
+
+ image = tObj->Image[0][tObj->BaseLevel];
+ imesa->regs.s4.texDescr.ni.tex0En = GL_TRUE;
+ imesa->regs.s4.texDescr.ni.tex0Width = image->WidthLog2;
+ imesa->regs.s4.texDescr.ni.tex0Height = image->HeightLog2;
+ imesa->regs.s4.texDescr.ni.tex0Fmt = t->hwFormat;
+ imesa->regs.s4.texCtrl[0].ni.dMax = t->base.lastLevel - t->base.firstLevel;
+
+ if (imesa->regs.s4.texDescr.ni.tex1En)
+ imesa->regs.s4.texDescr.ni.texBLoopEn = GL_TRUE;
+
+ imesa->regs.s4.texAddr[0].ui = (u_int32_t) t->setup.physAddr | 0x2;
+ if(t->base.heap->heapId == SAVAGE_AGP_HEAP)
+ imesa->regs.s4.texAddr[0].ui |= 0x1;
+
+ return;
+}
+static void savageUpdateTex1State_s4( GLcontext *ctx )
+{
+ savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
+ struct gl_texture_object *tObj;
+ struct gl_texture_image *image;
+ savageTexObjPtr t;
+ GLuint format;
+
+ /* disable */
+ if(imesa->bTexEn1)
+ {
+ imesa->bTexEn1 = GL_FALSE;
+ return;
+ }
+
+ imesa->regs.s4.texDescr.ni.tex1En = GL_FALSE;
+ imesa->regs.s4.texBlendCtrl[1].ui = TBC_NoTexMap1;
+ imesa->regs.s4.texCtrl[1].ui = 0x20f040;
+ imesa->regs.s4.texDescr.ni.texBLoopEn = GL_FALSE;
+ if (ctx->Texture.Unit[1]._ReallyEnabled == 0)
+ return;
+
+ tObj = ctx->Texture.Unit[1]._Current;
+
+ if ((ctx->Texture.Unit[1]._ReallyEnabled & ~(TEXTURE_1D_BIT|TEXTURE_2D_BIT))
+ || tObj->Image[0][tObj->BaseLevel]->Border > 0) {
+ /* 3D texturing enabled, or texture border - fallback */
+ FALLBACK (ctx, SAVAGE_FALLBACK_TEXTURE, GL_TRUE);
+ return;
+ }
+
+ /* Do 2D texture setup */
+
+ t = tObj->DriverData;
+ if (!t) {
+ t = savageAllocTexObj( tObj );
+ if (!t)
+ return;
+ }
+
+ imesa->CurrentTexObj[1] = &t->base;
+
+ t->base.bound |= 2;
+
+ if (t->base.dirty_images[0] || t->dirtySubImages) {
+ savageSetTexImages(imesa, tObj);
+ savageUploadTexImages(imesa, t);
+ }
+
+ driUpdateTextureLRU( &t->base );
+
+ format = tObj->Image[0][tObj->BaseLevel]->Format;
+
+ switch (ctx->Texture.Unit[1].EnvMode) {
+ case GL_REPLACE:
+ imesa->regs.s4.texCtrl[1].ni.clrArg1Invert = GL_FALSE;
+ switch (format)
+ {
+ case GL_LUMINANCE:
+ case GL_RGB:
+ imesa->regs.s4.texBlendCtrl[1].ui = TBC_Decal;
+ break;
+
+ case GL_LUMINANCE_ALPHA:
+ case GL_INTENSITY:
+ case GL_RGBA:
+ imesa->regs.s4.texBlendCtrl[1].ui = TBC_Copy;
+ break;
+
+ case GL_ALPHA:
+ imesa->regs.s4.texBlendCtrl[1].ui = TBC_CopyAlpha1;
+ break;
+ }
+ __HWEnvCombineSingleUnitScale(imesa, 0, 1, &imesa->regs.s4.texBlendCtrl);
+ break;
+ case GL_MODULATE:
+ imesa->regs.s4.texCtrl[1].ni.clrArg1Invert = GL_FALSE;
+ imesa->regs.s4.texBlendCtrl[1].ui = TBC_ModulAlpha1;
+ __HWEnvCombineSingleUnitScale(imesa, 0, 1, &imesa->regs.s4.texBlendCtrl);
+ break;
+
+ case GL_ADD:
+ imesa->regs.s4.texCtrl[1].ni.clrArg1Invert = GL_FALSE;
+ switch (format)
+ {
+ case GL_ALPHA:
+ imesa->regs.s4.texBlendCtrl[1].ui = TBC_ModulAlpha1;
+ break;
+
+ case GL_LUMINANCE:
+ case GL_RGB:
+ imesa->regs.s4.texBlendCtrl[1].ui = TBC_Add1;
+ break;
+
+ case GL_LUMINANCE_ALPHA:
+ case GL_RGBA:
+ imesa->regs.s4.texBlendCtrl[1].ui = TBC_Add1;
+ break;
+
+ case GL_INTENSITY:
+ imesa->regs.s4.texBlendCtrl[1].ui = TBC_AddAlpha1;
+ break;
+ }
+ __HWEnvCombineSingleUnitScale(imesa, 0, 1, &imesa->regs.s4.texBlendCtrl);
+ break;
+
+#if GL_ARB_texture_env_combine
+ case GL_COMBINE_ARB:
+ __HWParseTexEnvCombine(imesa, 1, &texCtrl, &imesa->regs.s4.texBlendCtrl);
+ break;
+#endif
+
+ case GL_DECAL:
+ imesa->regs.s4.texCtrl[1].ni.clrArg1Invert = GL_FALSE;
+
+ switch (format)
+ {
+ case GL_LUMINANCE:
+ case GL_RGB:
+ imesa->regs.s4.texBlendCtrl[1].ui = TBC_Decal1;
+ break;
+ case GL_LUMINANCE_ALPHA:
+ case GL_INTENSITY:
+ case GL_RGBA:
+ imesa->regs.s4.texBlendCtrl[1].ui = TBC_DecalAlpha1;
+ break;
+
+ /*
+ // GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_ALPHA, GL_INTENSITY
+ // are undefined with GL_DECAL
+ */
+ case GL_ALPHA:
+ imesa->regs.s4.texBlendCtrl[1].ui = TBC_CopyAlpha1;
+ break;
+ }
+ __HWEnvCombineSingleUnitScale(imesa, 0, 1, &imesa->regs.s4.texBlendCtrl);
+ break;
+
+ case GL_BLEND:
+ if (format == GL_LUMINANCE)
+ {
+ /*
+ // This is a hack for GLQuake, invert.
+ */
+ imesa->regs.s4.texCtrl[1].ni.clrArg1Invert = GL_TRUE;
+ imesa->regs.s4.texBlendCtrl[1].ui = 0;
+ }
+ __HWEnvCombineSingleUnitScale(imesa, 0, 1, &imesa->regs.s4.texBlendCtrl);
+ break;
+
+ default:
+ fprintf(stderr, "unknown tex 1 env mode\n");
+ exit(1);
+ break;
+ }
+
+ savage4_set_wrap_mode( imesa, 1, t->setup.sWrapMode, t->setup.tWrapMode );
+ savage4_set_filter_mode( imesa, 1, t->setup.minFilter, t->setup.magFilter );
+
+ if((ctx->Texture.Unit[1].LodBias !=0.0F) ||
+ (imesa->regs.s4.texCtrl[1].ni.dBias != 0))
+ {
+ int bias = (int)(ctx->Texture.Unit[1].LodBias * 32.0) +
+ SAVAGE4_LOD_OFFSET;
+ if (bias < -256)
+ bias = -256;
+ else if (bias > 255)
+ bias = 255;
+ imesa->regs.s4.texCtrl[1].ni.dBias = bias & 0x1ff;
+ }
+
+ image = tObj->Image[0][tObj->BaseLevel];
+ imesa->regs.s4.texDescr.ni.tex1En = GL_TRUE;
+ imesa->regs.s4.texDescr.ni.tex1Width = image->WidthLog2;
+ imesa->regs.s4.texDescr.ni.tex1Height = image->HeightLog2;
+ imesa->regs.s4.texDescr.ni.tex1Fmt = t->hwFormat;
+ imesa->regs.s4.texCtrl[1].ni.dMax = t->base.lastLevel - t->base.firstLevel;
+ imesa->regs.s4.texDescr.ni.texBLoopEn = GL_TRUE;
+
+ imesa->regs.s4.texAddr[1].ui = (u_int32_t) t->setup.physAddr | 2;
+ if(t->base.heap->heapId == SAVAGE_AGP_HEAP)
+ imesa->regs.s4.texAddr[1].ui |= 0x1;
+}
+static void savageUpdateTexState_s3d( GLcontext *ctx )
+{
+ savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
+ struct gl_texture_object *tObj;
+ struct gl_texture_image *image;
+ savageTexObjPtr t;
+ GLuint format;
+
+ /* disable */
+ imesa->regs.s3d.texCtrl.ui = 0;
+ imesa->regs.s3d.texCtrl.ni.texEn = GL_FALSE;
+ imesa->regs.s3d.texCtrl.ni.dBias = 0x08;
+ imesa->regs.s3d.texCtrl.ni.texXprEn = GL_TRUE;
+ if (ctx->Texture.Unit[0]._ReallyEnabled == 0)
+ return;
+
+ tObj = ctx->Texture.Unit[0]._Current;
+ if ((ctx->Texture.Unit[0]._ReallyEnabled & ~(TEXTURE_1D_BIT|TEXTURE_2D_BIT))
+ || tObj->Image[0][tObj->BaseLevel]->Border > 0) {
+ /* 3D texturing enabled, or texture border - fallback */
+ FALLBACK (ctx, SAVAGE_FALLBACK_TEXTURE, GL_TRUE);
+ return;
+ }
+
+ /* Do 2D texture setup */
+ t = tObj->DriverData;
+ if (!t) {
+ t = savageAllocTexObj( tObj );
+ if (!t)
+ return;
+ }
+
+ imesa->CurrentTexObj[0] = &t->base;
+ t->base.bound |= 1;
+
+ if (t->base.dirty_images[0] || t->dirtySubImages) {
+ savageSetTexImages(imesa, tObj);
+ savageUploadTexImages(imesa, t);
+ }
+
+ driUpdateTextureLRU( &t->base );
+
+ format = tObj->Image[0][tObj->BaseLevel]->Format;
+
+ /* FIXME: copied from utah-glx, probably needs some tuning */
+ switch (ctx->Texture.Unit[0].EnvMode) {
+ case GL_DECAL:
+ imesa->regs.s3d.drawCtrl.ni.texBlendCtrl = SAVAGETBC_DECALALPHA_S3D;
+ break;
+ case GL_REPLACE:
+ switch (format) {
+ case GL_ALPHA: /* FIXME */
+ imesa->regs.s3d.drawCtrl.ni.texBlendCtrl = 1;
+ break;
+ case GL_LUMINANCE_ALPHA:
+ case GL_RGBA:
+ imesa->regs.s3d.drawCtrl.ni.texBlendCtrl = 4;
+ break;
+ case GL_RGB:
+ case GL_LUMINANCE:
+ imesa->regs.s3d.drawCtrl.ni.texBlendCtrl = SAVAGETBC_DECAL_S3D;
+ break;
+ case GL_INTENSITY:
+ imesa->regs.s3d.drawCtrl.ni.texBlendCtrl = SAVAGETBC_COPY_S3D;
+ }
+ break;
+ case GL_BLEND: /* hardware can't do GL_BLEND */
+ FALLBACK (ctx, SAVAGE_FALLBACK_TEXTURE, GL_TRUE);
+ return;
+ case GL_MODULATE:
+ imesa->regs.s3d.drawCtrl.ni.texBlendCtrl = SAVAGETBC_MODULATEALPHA_S3D;
+ break;
+ default:
+ fprintf(stderr, "unknown tex env mode\n");
+ /*exit(1);*/
+ break;
+ }
+
+ /* The Savage3D can't handle different wrapping modes in s and t.
+ * If they are not the same, fall back to software. */
+ if (t->setup.sWrapMode != t->setup.tWrapMode) {
+ FALLBACK (ctx, SAVAGE_FALLBACK_TEXTURE, GL_TRUE);
+ return;
+ }
+ imesa->regs.s3d.texCtrl.ni.uWrapEn = 0;
+ imesa->regs.s3d.texCtrl.ni.vWrapEn = 0;
+ imesa->regs.s3d.texCtrl.ni.wrapMode =
+ (t->setup.sWrapMode == GL_REPEAT) ? TAM_Wrap : TAM_Clamp;
+
+ switch (t->setup.minFilter) {
+ case GL_NEAREST:
+ imesa->regs.s3d.texCtrl.ni.filterMode = TFM_Point;
+ imesa->regs.s3d.texCtrl.ni.mipmapDisable = GL_TRUE;
+ break;
+
+ case GL_LINEAR:
+ imesa->regs.s3d.texCtrl.ni.filterMode = TFM_Bilin;
+ imesa->regs.s3d.texCtrl.ni.mipmapDisable = GL_TRUE;
+ break;
+
+ case GL_NEAREST_MIPMAP_NEAREST:
+ imesa->regs.s3d.texCtrl.ni.filterMode = TFM_Point;
+ imesa->regs.s3d.texCtrl.ni.mipmapDisable = GL_FALSE;
+ break;
+
+ case GL_LINEAR_MIPMAP_NEAREST:
+ imesa->regs.s3d.texCtrl.ni.filterMode = TFM_Bilin;
+ imesa->regs.s3d.texCtrl.ni.mipmapDisable = GL_FALSE;
+ break;
+
+ case GL_NEAREST_MIPMAP_LINEAR:
+ case GL_LINEAR_MIPMAP_LINEAR:
+ imesa->regs.s3d.texCtrl.ni.filterMode = TFM_Trilin;
+ imesa->regs.s3d.texCtrl.ni.mipmapDisable = GL_FALSE;
+ break;
+ }
+
+ /* There is no way to specify a maximum mipmap level. We may have to
+ disable mipmapping completely. */
+ /*
+ if (t->max_level < t->image[0].image->WidthLog2 ||
+ t->max_level < t->image[0].image->HeightLog2) {
+ texCtrl.ni.mipmapEnable = GL_TRUE;
+ if (texCtrl.ni.filterMode == TFM_Trilin)
+ texCtrl.ni.filterMode = TFM_Bilin;
+ texCtrl.ni.filterMode = TFM_Point;
+ }
+ */
+
+ if((ctx->Texture.Unit[0].LodBias !=0.0F) ||
+ (imesa->regs.s3d.texCtrl.ni.dBias != 0))
+ {
+ int bias = (int)(ctx->Texture.Unit[0].LodBias * 16.0);
+ if (bias < -256)
+ bias = -256;
+ else if (bias > 255)
+ bias = 255;
+ imesa->regs.s3d.texCtrl.ni.dBias = bias & 0x1ff;
+ }
+
+ image = tObj->Image[0][tObj->BaseLevel];
+ imesa->regs.s3d.texCtrl.ni.texEn = GL_TRUE;
+ imesa->regs.s3d.texDescr.ni.texWidth = image->WidthLog2;
+ imesa->regs.s3d.texDescr.ni.texHeight = image->HeightLog2;
+ assert (t->hwFormat <= 7);
+ imesa->regs.s3d.texDescr.ni.texFmt = t->hwFormat;
+
+ imesa->regs.s3d.texAddr.ui = (u_int32_t) t->setup.physAddr | 2;
+ if(t->base.heap->heapId == SAVAGE_AGP_HEAP)
+ imesa->regs.s3d.texAddr.ui |= 0x1;
+}
+
+
+static void savageTimestampTextures( savageContextPtr imesa )
+{
+ /* Timestamp current texture objects for texture heap aging.
+ * Only useful with long-lived 32-bit event tags available
+ * with Savage DRM 2.3.x or later. */
+ if ((imesa->CurrentTexObj[0] || imesa->CurrentTexObj[1]) &&
+ imesa->savageScreen->driScrnPriv->drmMinor >= 3) {
+ unsigned int e;
+ FLUSH_BATCH(imesa);
+ e = savageEmitEvent(imesa, SAVAGE_WAIT_3D);
+ if (imesa->CurrentTexObj[0])
+ imesa->CurrentTexObj[0]->timestamp = e;
+ if (imesa->CurrentTexObj[1])
+ imesa->CurrentTexObj[1]->timestamp = e;
+ }
+}
+
+
+static void savageUpdateTextureState_s4( GLcontext *ctx )
+{
+ savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
+
+ /* When a texture is about to change or be disabled, timestamp the
+ * old texture(s). We'll have to wait for this time stamp before
+ * uploading anything to the same texture heap.
+ */
+ if ((imesa->CurrentTexObj[0] && ctx->Texture.Unit[0]._ReallyEnabled &&
+ ctx->Texture.Unit[0]._Current->DriverData != imesa->CurrentTexObj[0]) ||
+ (imesa->CurrentTexObj[1] && ctx->Texture.Unit[1]._ReallyEnabled &&
+ ctx->Texture.Unit[1]._Current->DriverData != imesa->CurrentTexObj[1]) ||
+ (imesa->CurrentTexObj[0] && !ctx->Texture.Unit[0]._ReallyEnabled) ||
+ (imesa->CurrentTexObj[1] && !ctx->Texture.Unit[1]._ReallyEnabled))
+ savageTimestampTextures(imesa);
+
+ if (imesa->CurrentTexObj[0]) imesa->CurrentTexObj[0]->bound &= ~1;
+ if (imesa->CurrentTexObj[1]) imesa->CurrentTexObj[1]->bound &= ~2;
+ imesa->CurrentTexObj[0] = 0;
+ imesa->CurrentTexObj[1] = 0;
+ savageUpdateTex0State_s4( ctx );
+ savageUpdateTex1State_s4( ctx );
+ imesa->dirty |= (SAVAGE_UPLOAD_TEX0 |
+ SAVAGE_UPLOAD_TEX1);
+}
+static void savageUpdateTextureState_s3d( GLcontext *ctx )
+{
+ savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
+
+ /* When a texture is about to change or be disabled, timestamp the
+ * old texture(s). We'll have to wait for this time stamp before
+ * uploading anything to the same texture heap.
+ */
+ if ((imesa->CurrentTexObj[0] && ctx->Texture.Unit[0]._ReallyEnabled &&
+ ctx->Texture.Unit[0]._Current->DriverData != imesa->CurrentTexObj[0]) ||
+ (imesa->CurrentTexObj[0] && !ctx->Texture.Unit[0]._ReallyEnabled))
+ savageTimestampTextures(imesa);
+
+ if (imesa->CurrentTexObj[0]) imesa->CurrentTexObj[0]->bound &= ~1;
+ imesa->CurrentTexObj[0] = 0;
+ savageUpdateTexState_s3d( ctx );
+ imesa->dirty |= (SAVAGE_UPLOAD_TEX0);
+}
+void savageUpdateTextureState( GLcontext *ctx)
+{
+ savageContextPtr imesa = SAVAGE_CONTEXT( ctx );
+ FALLBACK (ctx, SAVAGE_FALLBACK_TEXTURE, GL_FALSE);
+ FALLBACK(ctx, SAVAGE_FALLBACK_PROJ_TEXTURE, GL_FALSE);
+ if (imesa->savageScreen->chipset >= S3_SAVAGE4)
+ savageUpdateTextureState_s4 (ctx);
+ else
+ savageUpdateTextureState_s3d (ctx);
+}
+
+
+
+/*****************************************
+ * DRIVER functions
+ *****************************************/
+
+static void savageTexEnv( GLcontext *ctx, GLenum target,
+ GLenum pname, const GLfloat *param )
+{
+ savageContextPtr imesa = SAVAGE_CONTEXT( ctx );
+
+ if (pname == GL_TEXTURE_ENV_MODE) {
+
+ imesa->new_state |= SAVAGE_NEW_TEXTURE;
+
+ } else if (pname == GL_TEXTURE_ENV_COLOR) {
+
+ struct gl_texture_unit *texUnit =
+ &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ const GLfloat *fc = texUnit->EnvColor;
+ GLuint r, g, b, a;
+ CLAMPED_FLOAT_TO_UBYTE(r, fc[0]);
+ CLAMPED_FLOAT_TO_UBYTE(g, fc[1]);
+ CLAMPED_FLOAT_TO_UBYTE(b, fc[2]);
+ CLAMPED_FLOAT_TO_UBYTE(a, fc[3]);
+
+ imesa->texEnvColor = ((a << 24) | (r << 16) |
+ (g << 8) | (b << 0));
+
+
+ }
+}
+
+/* Update the heap's time stamp, so the new image is not uploaded
+ * while the old one is still in use. If the texture that is going to
+ * be changed is currently bound, we need to timestamp the texture
+ * first. */
+static void savageTexImageChanged (savageTexObjPtr t) {
+ if (t->base.heap) {
+ if (t->base.bound)
+ savageTimestampTextures(
+ (savageContextPtr)t->base.heap->driverContext);
+ if (t->base.timestamp > t->base.heap->timestamp)
+ t->base.heap->timestamp = t->base.timestamp;
+ }
+}
+
+static void savageTexImage1D( GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage )
+{
+ savageTexObjPtr t = (savageTexObjPtr) texObj->DriverData;
+ if (t) {
+ savageTexImageChanged (t);
+ } else {
+ t = savageAllocTexObj(texObj);
+ if (!t) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
+ return;
+ }
+ }
+ _mesa_store_teximage1d( ctx, target, level, internalFormat,
+ width, border, format, type,
+ pixels, packing, texObj, texImage );
+ t->base.dirty_images[0] |= (1 << level);
+ SAVAGE_CONTEXT(ctx)->new_state |= SAVAGE_NEW_TEXTURE;
+}
+
+static void savageTexSubImage1D( GLcontext *ctx,
+ GLenum target,
+ GLint level,
+ GLint xoffset,
+ GLsizei width,
+ GLenum format, GLenum type,
+ const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage )
+{
+ savageTexObjPtr t = (savageTexObjPtr) texObj->DriverData;
+ assert( t ); /* this _should_ be true */
+ if (t) {
+ savageTexImageChanged (t);
+ savageMarkDirtyTiles(t, level, texImage->Width2, 1,
+ xoffset, 0, width, 1);
+ } else {
+ t = savageAllocTexObj(texObj);
+ if (!t) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage1D");
+ return;
+ }
+ t->base.dirty_images[0] |= (1 << level);
+ }
+ _mesa_store_texsubimage1d(ctx, target, level, xoffset, width,
+ format, type, pixels, packing, texObj,
+ texImage);
+ t->dirtySubImages |= (1 << level);
+ SAVAGE_CONTEXT(ctx)->new_state |= SAVAGE_NEW_TEXTURE;
+}
+
+static void savageTexImage2D( GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage )
+{
+ savageTexObjPtr t = (savageTexObjPtr) texObj->DriverData;
+ if (t) {
+ savageTexImageChanged (t);
+ } else {
+ t = savageAllocTexObj(texObj);
+ if (!t) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
+ return;
+ }
+ }
+ _mesa_store_teximage2d( ctx, target, level, internalFormat,
+ width, height, border, format, type,
+ pixels, packing, texObj, texImage );
+ t->base.dirty_images[0] |= (1 << level);
+ SAVAGE_CONTEXT(ctx)->new_state |= SAVAGE_NEW_TEXTURE;
+}
+
+static void savageTexSubImage2D( GLcontext *ctx,
+ GLenum target,
+ GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage )
+{
+ savageTexObjPtr t = (savageTexObjPtr) texObj->DriverData;
+ assert( t ); /* this _should_ be true */
+ if (t) {
+ savageTexImageChanged (t);
+ savageMarkDirtyTiles(t, level, texImage->Width2, texImage->Height2,
+ xoffset, yoffset, width, height);
+ } else {
+ t = savageAllocTexObj(texObj);
+ if (!t) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D");
+ return;
+ }
+ t->base.dirty_images[0] |= (1 << level);
+ }
+ _mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset, width,
+ height, format, type, pixels, packing, texObj,
+ texImage);
+ t->dirtySubImages |= (1 << level);
+ SAVAGE_CONTEXT(ctx)->new_state |= SAVAGE_NEW_TEXTURE;
+}
+
+static void
+savageCompressedTexImage2D( GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint border,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage )
+{
+ savageTexObjPtr t = (savageTexObjPtr) texObj->DriverData;
+ if (t) {
+ savageTexImageChanged (t);
+ } else {
+ t = savageAllocTexObj(texObj);
+ if (!t) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D");
+ return;
+ }
+ }
+ _mesa_store_compressed_teximage2d( ctx, target, level, internalFormat,
+ width, height, border, imageSize,
+ data, texObj, texImage );
+ t->base.dirty_images[0] |= (1 << level);
+ SAVAGE_CONTEXT(ctx)->new_state |= SAVAGE_NEW_TEXTURE;
+}
+
+static void
+savageCompressedTexSubImage2D( GLcontext *ctx,
+ GLenum target,
+ GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLsizei height,
+ GLenum format, GLsizei imageSize,
+ const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage )
+{
+ savageTexObjPtr t = (savageTexObjPtr) texObj->DriverData;
+ assert( t ); /* this _should_ be true */
+ if (t) {
+ savageTexImageChanged (t);
+ savageMarkDirtyTiles(t, level, texImage->Width2, texImage->Height2,
+ xoffset, yoffset, width, height);
+ } else {
+ t = savageAllocTexObj(texObj);
+ if (!t) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D");
+ return;
+ }
+ t->base.dirty_images[0] |= (1 << level);
+ }
+ _mesa_store_compressed_texsubimage2d(ctx, target, level, xoffset, yoffset,
+ width, height, format, imageSize,
+ data, texObj, texImage);
+ t->dirtySubImages |= (1 << level);
+ SAVAGE_CONTEXT(ctx)->new_state |= SAVAGE_NEW_TEXTURE;
+}
+
+static void savageTexParameter( GLcontext *ctx, GLenum target,
+ struct gl_texture_object *tObj,
+ GLenum pname, const GLfloat *params )
+{
+ savageTexObjPtr t = (savageTexObjPtr) tObj->DriverData;
+ savageContextPtr imesa = SAVAGE_CONTEXT( ctx );
+
+ if (!t || (target != GL_TEXTURE_1D && target != GL_TEXTURE_2D))
+ return;
+
+ switch (pname) {
+ case GL_TEXTURE_MIN_FILTER:
+ case GL_TEXTURE_MAG_FILTER:
+ savageSetTexFilter(t,tObj->MinFilter,tObj->MagFilter);
+ break;
+
+ case GL_TEXTURE_WRAP_S:
+ case GL_TEXTURE_WRAP_T:
+ savageSetTexWrapping(t,tObj->WrapS,tObj->WrapT);
+ break;
+
+ case GL_TEXTURE_BORDER_COLOR:
+ savageSetTexBorderColor(t,tObj->_BorderChan);
+ break;
+
+ default:
+ return;
+ }
+
+ imesa->new_state |= SAVAGE_NEW_TEXTURE;
+}
+
+static void savageBindTexture( GLcontext *ctx, GLenum target,
+ struct gl_texture_object *tObj )
+{
+ savageContextPtr imesa = SAVAGE_CONTEXT( ctx );
+
+ assert( (target != GL_TEXTURE_1D && target != GL_TEXTURE_2D) ||
+ (tObj->DriverData != NULL) );
+
+ imesa->new_state |= SAVAGE_NEW_TEXTURE;
+}
+
+static void savageDeleteTexture( GLcontext *ctx, struct gl_texture_object *tObj )
+{
+ driTextureObject *t = (driTextureObject *)tObj->DriverData;
+ savageContextPtr imesa = SAVAGE_CONTEXT( ctx );
+
+ if (t) {
+ if (t->bound)
+ savageTimestampTextures(imesa);
+
+ driDestroyTextureObject(t);
+ }
+ /* Free mipmap images and the texture object itself */
+ _mesa_delete_texture_object(ctx, tObj);
+}
+
+
+static struct gl_texture_object *
+savageNewTextureObject( GLcontext *ctx, GLuint name, GLenum target )
+{
+ struct gl_texture_object *obj;
+ obj = _mesa_new_texture_object(ctx, name, target);
+ savageAllocTexObj( obj );
+
+ return obj;
+}
+
+void savageDDInitTextureFuncs( struct dd_function_table *functions )
+{
+ functions->TexEnv = savageTexEnv;
+ functions->ChooseTextureFormat = savageChooseTextureFormat;
+ functions->TexImage1D = savageTexImage1D;
+ functions->TexSubImage1D = savageTexSubImage1D;
+ functions->TexImage2D = savageTexImage2D;
+ functions->TexSubImage2D = savageTexSubImage2D;
+ functions->CompressedTexImage2D = savageCompressedTexImage2D;
+ functions->CompressedTexSubImage2D = savageCompressedTexSubImage2D;
+ functions->BindTexture = savageBindTexture;
+ functions->NewTextureObject = savageNewTextureObject;
+ functions->DeleteTexture = savageDeleteTexture;
+ functions->IsTextureResident = driIsTextureResident;
+ functions->TexParameter = savageTexParameter;
+
+ /* Texel fetching with our custom texture formats works just like
+ * the standard argb formats. */
+ _savage_texformat_a1114444.FetchTexel1D = _mesa_texformat_argb4444.FetchTexel1D;
+ _savage_texformat_a1114444.FetchTexel2D = _mesa_texformat_argb4444.FetchTexel2D;
+ _savage_texformat_a1114444.FetchTexel3D = _mesa_texformat_argb4444.FetchTexel3D;
+ _savage_texformat_a1114444.FetchTexel1Df= _mesa_texformat_argb4444.FetchTexel1Df;
+ _savage_texformat_a1114444.FetchTexel2Df= _mesa_texformat_argb4444.FetchTexel2Df;
+ _savage_texformat_a1114444.FetchTexel3Df= _mesa_texformat_argb4444.FetchTexel3Df;
+
+ _savage_texformat_a1118888.FetchTexel1D = _mesa_texformat_argb8888.FetchTexel1D;
+ _savage_texformat_a1118888.FetchTexel2D = _mesa_texformat_argb8888.FetchTexel2D;
+ _savage_texformat_a1118888.FetchTexel3D = _mesa_texformat_argb8888.FetchTexel3D;
+ _savage_texformat_a1118888.FetchTexel1Df= _mesa_texformat_argb8888.FetchTexel1Df;
+ _savage_texformat_a1118888.FetchTexel2Df= _mesa_texformat_argb8888.FetchTexel2Df;
+ _savage_texformat_a1118888.FetchTexel3Df= _mesa_texformat_argb8888.FetchTexel3Df;
+}