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-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_drawpixels.c21
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_fbo.c32
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_readpixels.c633
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_readpixels.h92
-rw-r--r--mesalib/src/mesa/state_tracker/st_draw.c6
-rw-r--r--mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp53
-rw-r--r--mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c1
7 files changed, 99 insertions, 739 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
index 5714d343d..95805fd3c 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -38,6 +38,7 @@
#include "main/mtypes.h"
#include "main/pack.h"
#include "main/pbo.h"
+#include "main/readpix.h"
#include "main/texformat.h"
#include "main/teximage.h"
#include "main/texstore.h"
@@ -1189,9 +1190,9 @@ copy_stencil_pixels(struct gl_context *ctx, GLint srcx, GLint srcy,
rbDraw = st_renderbuffer(rbDraw->Base.Wrapped);
/* this will do stencil pixel transfer ops */
- st_read_stencil_pixels(ctx, srcx, srcy, width, height,
- GL_STENCIL_INDEX, GL_UNSIGNED_BYTE,
- &ctx->DefaultPacking, buffer);
+ _mesa_readpixels(ctx, srcx, srcy, width, height,
+ GL_STENCIL_INDEX, GL_UNSIGNED_BYTE,
+ &ctx->DefaultPacking, buffer);
if (0) {
/* debug code: dump stencil values */
@@ -1296,6 +1297,20 @@ copy_stencil_pixels(struct gl_context *ctx, GLint srcx, GLint srcy,
}
+/**
+ * Return renderbuffer to use for reading color pixels for glCopyPixels
+ */
+static struct st_renderbuffer *
+st_get_color_read_renderbuffer(struct gl_context *ctx)
+{
+ struct gl_framebuffer *fb = ctx->ReadBuffer;
+ struct st_renderbuffer *strb =
+ st_renderbuffer(fb->_ColorReadBuffer);
+
+ return strb;
+}
+
+
/** Do the src/dest regions overlap? */
static GLboolean
regions_overlap(GLint srcX, GLint srcY, GLint dstX, GLint dstY,
diff --git a/mesalib/src/mesa/state_tracker/st_cb_fbo.c b/mesalib/src/mesa/state_tracker/st_cb_fbo.c
index e04cb4406..a351d1197 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_fbo.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_fbo.c
@@ -355,8 +355,12 @@ st_render_texture(struct gl_context *ctx,
/* get pointer to texture image we're rendeing to */
texImage = _mesa_get_attachment_teximage(att);
- /* create new renderbuffer which wraps the texture image */
- rb = st_new_renderbuffer(ctx, 0);
+ /* create new renderbuffer which wraps the texture image.
+ * Use the texture's name as the renderbuffer's name so that we have
+ * something that's non-zero (to determine vertical orientation) and
+ * possibly helpful for debugging.
+ */
+ rb = st_new_renderbuffer(ctx, att->Texture->Name);
if (!rb) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glFramebufferTexture()");
return;
@@ -644,7 +648,9 @@ st_MapRenderbuffer(struct gl_context *ctx,
struct st_context *st = st_context(ctx);
struct st_renderbuffer *strb = st_renderbuffer(rb);
struct pipe_context *pipe = st->pipe;
+ const GLboolean invert = rb->Name == 0;
unsigned usage;
+ GLuint y2;
usage = 0x0;
if (mode & GL_MAP_READ_BIT)
@@ -652,14 +658,30 @@ st_MapRenderbuffer(struct gl_context *ctx,
if (mode & GL_MAP_WRITE_BIT)
usage |= PIPE_TRANSFER_WRITE;
+ /* Note: y=0=bottom of buffer while y2=0=top of buffer.
+ * 'invert' will be true for window-system buffers and false for
+ * user-allocated renderbuffers and textures.
+ */
+ if (invert)
+ y2 = strb->Base.Height - y - h;
+ else
+ y2 = y;
+
strb->transfer = pipe_get_transfer(pipe,
strb->texture,
strb->rtt_level,
strb->rtt_face + strb->rtt_slice,
- usage, x, y, w, h);
+ usage, x, y2, w, h);
if (strb->transfer) {
- *mapOut = pipe_transfer_map(pipe, strb->transfer);
- *rowStrideOut = strb->transfer->stride;
+ GLubyte *map = pipe_transfer_map(pipe, strb->transfer);
+ if (invert) {
+ *rowStrideOut = -strb->transfer->stride;
+ map += (h - 1) * strb->transfer->stride;
+ }
+ else {
+ *rowStrideOut = strb->transfer->stride;
+ }
+ *mapOut = map;
}
else {
*mapOut = NULL;
diff --git a/mesalib/src/mesa/state_tracker/st_cb_readpixels.c b/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
index bd73f3bf0..6b824b161 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
@@ -26,649 +26,32 @@
**************************************************************************/
-/**
- * glReadPixels interface to pipe
- *
- * \author Brian Paul
- */
-
-
#include "main/imports.h"
-#include "main/bufferobj.h"
-#include "main/context.h"
-#include "main/image.h"
-#include "main/pack.h"
-#include "main/pbo.h"
-
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-#include "util/u_format.h"
-#include "util/u_inlines.h"
-#include "util/u_tile.h"
+#include "main/readpix.h"
-#include "st_debug.h"
-#include "st_context.h"
#include "st_atom.h"
+#include "st_context.h"
#include "st_cb_bitmap.h"
#include "st_cb_readpixels.h"
-#include "st_cb_fbo.h"
-
-/**
- * Special case for reading stencil buffer.
- * For color/depth we use get_tile(). For stencil, map the stencil buffer.
- */
-void
-st_read_stencil_pixels(struct gl_context *ctx, GLint x, GLint y,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- const struct gl_pixelstore_attrib *packing,
- GLvoid *pixels)
-{
- struct gl_framebuffer *fb = ctx->ReadBuffer;
- struct pipe_context *pipe = st_context(ctx)->pipe;
- struct st_renderbuffer *strb = st_renderbuffer(fb->_StencilBuffer);
- struct pipe_transfer *pt;
- ubyte *stmap;
- GLint j;
-
- if (strb->Base.Wrapped) {
- strb = st_renderbuffer(strb->Base.Wrapped);
- }
-
- if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) {
- y = ctx->DrawBuffer->Height - y - height;
- }
-
- /* Create a read transfer from the renderbuffer's texture */
-
- pt = pipe_get_transfer(pipe, strb->texture,
- strb->rtt_level,
- strb->rtt_face + strb->rtt_slice,
- PIPE_TRANSFER_READ,
- x, y, width, height);
-
- /* map the stencil buffer */
- stmap = pipe_transfer_map(pipe, pt);
-
- /* width should never be > MAX_WIDTH since we did clipping earlier */
- ASSERT(width <= MAX_WIDTH);
-
- /* process image row by row */
- for (j = 0; j < height; j++) {
- GLvoid *dest;
- GLstencil sValues[MAX_WIDTH];
- GLfloat zValues[MAX_WIDTH];
- GLint srcY;
-
- if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) {
- srcY = height - j - 1;
- }
- else {
- srcY = j;
- }
-
- /* get stencil (and Z) values */
- switch (pt->resource->format) {
- case PIPE_FORMAT_S8_UINT:
- {
- const ubyte *src = stmap + srcY * pt->stride;
- memcpy(sValues, src, width);
- }
- break;
- case PIPE_FORMAT_Z24_UNORM_S8_UINT:
- if (format == GL_DEPTH_STENCIL) {
- const uint *src = (uint *) (stmap + srcY * pt->stride);
- const GLfloat scale = 1.0f / (0xffffff);
- GLint k;
- for (k = 0; k < width; k++) {
- sValues[k] = src[k] >> 24;
- zValues[k] = (src[k] & 0xffffff) * scale;
- }
- }
- else {
- const uint *src = (uint *) (stmap + srcY * pt->stride);
- GLint k;
- for (k = 0; k < width; k++) {
- sValues[k] = src[k] >> 24;
- }
- }
- break;
- case PIPE_FORMAT_S8_UINT_Z24_UNORM:
- if (format == GL_DEPTH_STENCIL) {
- const uint *src = (uint *) (stmap + srcY * pt->stride);
- const GLfloat scale = 1.0f / (0xffffff);
- GLint k;
- for (k = 0; k < width; k++) {
- sValues[k] = src[k] & 0xff;
- zValues[k] = (src[k] >> 8) * scale;
- }
- }
- else {
- const uint *src = (uint *) (stmap + srcY * pt->stride);
- GLint k;
- for (k = 0; k < width; k++) {
- sValues[k] = src[k] & 0xff;
- }
- }
- break;
- case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
- if (format == GL_DEPTH_STENCIL) {
- const uint *src = (uint *) (stmap + srcY * pt->stride);
- const GLfloat *srcf = (const GLfloat*)src;
- GLint k;
- for (k = 0; k < width; k++) {
- zValues[k] = srcf[k*2];
- sValues[k] = src[k*2+1] & 0xff;
- }
- }
- else {
- const uint *src = (uint *) (stmap + srcY * pt->stride);
- GLint k;
- for (k = 0; k < width; k++) {
- sValues[k] = src[k*2+1] & 0xff;
- }
- }
- break;
- default:
- assert(0);
- }
-
- /* store */
- dest = _mesa_image_address2d(packing, pixels, width, height,
- format, type, j, 0);
- if (format == GL_DEPTH_STENCIL) {
- _mesa_pack_depth_stencil_span(ctx, width, type, dest,
- zValues, sValues, packing);
- }
- else {
- _mesa_pack_stencil_span(ctx, width, type, dest, sValues, packing);
- }
- }
-
- /* unmap the stencil buffer */
- pipe_transfer_unmap(pipe, pt);
- pipe->transfer_destroy(pipe, pt);
-}
-
-
-/**
- * Return renderbuffer to use for reading color pixels for glRead/CopyPixel
- * commands.
- */
-struct st_renderbuffer *
-st_get_color_read_renderbuffer(struct gl_context *ctx)
-{
- struct gl_framebuffer *fb = ctx->ReadBuffer;
- struct st_renderbuffer *strb =
- st_renderbuffer(fb->_ColorReadBuffer);
-
- return strb;
-}
-
-
-/**
- * Try to do glReadPixels in a fast manner for common cases.
- * \return GL_TRUE for success, GL_FALSE for failure
- */
-static GLboolean
-st_fast_readpixels(struct gl_context *ctx, struct st_renderbuffer *strb,
- GLint x, GLint y, GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- const struct gl_pixelstore_attrib *pack,
- GLvoid *dest)
-{
- GLubyte alphaORoperand;
- enum combination {
- A8R8G8B8_UNORM_TO_RGBA_UBYTE,
- A8R8G8B8_UNORM_TO_RGB_UBYTE,
- A8R8G8B8_UNORM_TO_BGRA_UINT,
- A8R8G8B8_UNORM_TO_RGBA_UINT
- } combo;
-
- if (ctx->_ImageTransferState)
- return GL_FALSE;
-
- if (strb->format == PIPE_FORMAT_B8G8R8A8_UNORM) {
- alphaORoperand = 0;
- }
- else if (strb->format == PIPE_FORMAT_B8G8R8X8_UNORM ) {
- alphaORoperand = 0xff;
- }
- else {
- return GL_FALSE;
- }
-
- if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) {
- combo = A8R8G8B8_UNORM_TO_RGBA_UBYTE;
- }
- else if (format == GL_RGB && type == GL_UNSIGNED_BYTE) {
- combo = A8R8G8B8_UNORM_TO_RGB_UBYTE;
- }
- else if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8_REV) {
- combo = A8R8G8B8_UNORM_TO_BGRA_UINT;
- }
- else if (format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8) {
- combo = A8R8G8B8_UNORM_TO_RGBA_UINT;
- }
- else {
- return GL_FALSE;
- }
-
- /*printf("st_fast_readpixels combo %d\n", (GLint) combo);*/
-
- {
- struct pipe_context *pipe = st_context(ctx)->pipe;
- struct pipe_transfer *trans;
- const GLubyte *map;
- GLubyte *dst;
- GLint row, col, dy, dstStride;
-
- if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
- /* convert GL Y to Gallium Y */
- y = strb->texture->height0 - y - height;
- }
-
- trans = pipe_get_transfer(pipe, strb->texture,
- strb->rtt_level,
- strb->rtt_face + strb->rtt_slice,
- PIPE_TRANSFER_READ,
- x, y, width, height);
- if (!trans) {
- return GL_FALSE;
- }
-
- map = pipe_transfer_map(pipe, trans);
- if (!map) {
- pipe->transfer_destroy(pipe, trans);
- return GL_FALSE;
- }
-
- /* We always write to the user/dest buffer from low addr to high addr
- * but the read order depends on renderbuffer orientation
- */
- if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
- /* read source rows from bottom to top */
- y = height - 1;
- dy = -1;
- }
- else {
- /* read source rows from top to bottom */
- y = 0;
- dy = 1;
- }
-
- dst = _mesa_image_address2d(pack, dest, width, height,
- format, type, 0, 0);
- dstStride = _mesa_image_row_stride(pack, width, format, type);
-
- switch (combo) {
- case A8R8G8B8_UNORM_TO_RGBA_UBYTE:
- for (row = 0; row < height; row++) {
- const GLubyte *src = map + y * trans->stride;
- for (col = 0; col < width; col++) {
- GLuint pixel = ((GLuint *) src)[col];
- dst[col*4+0] = (pixel >> 16) & 0xff;
- dst[col*4+1] = (pixel >> 8) & 0xff;
- dst[col*4+2] = (pixel >> 0) & 0xff;
- dst[col*4+3] = ((pixel >> 24) & 0xff) | alphaORoperand;
- }
- dst += dstStride;
- y += dy;
- }
- break;
- case A8R8G8B8_UNORM_TO_RGB_UBYTE:
- for (row = 0; row < height; row++) {
- const GLubyte *src = map + y * trans->stride;
- for (col = 0; col < width; col++) {
- GLuint pixel = ((GLuint *) src)[col];
- dst[col*3+0] = (pixel >> 16) & 0xff;
- dst[col*3+1] = (pixel >> 8) & 0xff;
- dst[col*3+2] = (pixel >> 0) & 0xff;
- }
- dst += dstStride;
- y += dy;
- }
- break;
- case A8R8G8B8_UNORM_TO_BGRA_UINT:
- for (row = 0; row < height; row++) {
- const GLubyte *src = map + y * trans->stride;
- memcpy(dst, src, 4 * width);
- if (alphaORoperand) {
- assert(alphaORoperand == 0xff);
- for (col = 0; col < width; col++) {
- dst[col*4+3] = 0xff;
- }
- }
- dst += dstStride;
- y += dy;
- }
- break;
- case A8R8G8B8_UNORM_TO_RGBA_UINT:
- for (row = 0; row < height; row++) {
- const GLubyte *src = map + y * trans->stride;
- for (col = 0; col < width; col++) {
- GLuint pixel = ((GLuint *) src)[col];
- dst[col*4+0] = ((pixel >> 24) & 0xff) | alphaORoperand;
- dst[col*4+1] = (pixel >> 0) & 0xff;
- dst[col*4+2] = (pixel >> 8) & 0xff;
- dst[col*4+3] = (pixel >> 16) & 0xff;
- }
- dst += dstStride;
- y += dy;
- }
- break;
- default:
- ; /* nothing */
- }
-
- pipe_transfer_unmap(pipe, trans);
- pipe->transfer_destroy(pipe, trans);
- }
-
- return GL_TRUE;
-}
/**
- * Do glReadPixels by getting rows from the framebuffer transfer with
- * get_tile(). Convert to requested format/type with Mesa image routines.
- * Image transfer ops are done in software too.
+ * The only special thing we need to do for the state tracker's
+ * glReadPixels is to validate state (to be sure we have up-to-date
+ * framebuffer surfaces) and flush the bitmap cache prior to reading.
*/
static void
-st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
+st_readpixels(struct gl_context *ctx, GLint x, GLint y,
+ GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *pack,
GLvoid *dest)
{
struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- GLfloat (*temp)[4];
- GLbitfield transferOps = ctx->_ImageTransferState;
- GLsizei i, j;
- GLint yStep, dfStride;
- GLfloat *df;
- GLuint *dui;
- GLint *di;
- struct st_renderbuffer *strb;
- struct gl_pixelstore_attrib clippedPacking = *pack;
- struct pipe_transfer *trans;
- enum pipe_format pformat;
-
- assert(ctx->ReadBuffer->Width > 0);
st_validate_state(st);
-
- /* Do all needed clipping here, so that we can forget about it later */
- if (!_mesa_clip_readpixels(ctx, &x, &y, &width, &height, &clippedPacking)) {
- /* The ReadPixels transfer is totally outside the window bounds */
- return;
- }
-
st_flush_bitmap_cache(st);
-
- dest = _mesa_map_pbo_dest(ctx, &clippedPacking, dest);
- if (!dest)
- return;
-
- if (format == GL_STENCIL_INDEX ||
- format == GL_DEPTH_STENCIL) {
- st_read_stencil_pixels(ctx, x, y, width, height,
- format, type, pack, dest);
- return;
- }
- else if (format == GL_DEPTH_COMPONENT) {
- strb = st_renderbuffer(ctx->ReadBuffer->_DepthBuffer);
- if (strb->Base.Wrapped) {
- strb = st_renderbuffer(strb->Base.Wrapped);
- }
- }
- else {
- /* Read color buffer */
- strb = st_get_color_read_renderbuffer(ctx);
- }
-
- if (!strb)
- return;
-
- /* try a fast-path readpixels before anything else */
- if (st_fast_readpixels(ctx, strb, x, y, width, height,
- format, type, pack, dest)) {
- /* success! */
- _mesa_unmap_pbo_dest(ctx, &clippedPacking);
- return;
- }
-
- /* allocate temp pixel row buffer */
- temp = (GLfloat (*)[4]) malloc(4 * width * sizeof(GLfloat));
- if (!temp) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glReadPixels");
- return;
- }
-
- if(ctx->Color._ClampReadColor)
- transferOps |= IMAGE_CLAMP_BIT;
-
- if (format == GL_RGBA && type == GL_FLOAT && !transferOps) {
- /* write tile(row) directly into user's buffer */
- df = (GLfloat *) _mesa_image_address2d(&clippedPacking, dest, width,
- height, format, type, 0, 0);
- dfStride = width * 4;
- }
- else {
- /* write tile(row) into temp row buffer */
- df = (GLfloat *)temp;
- dfStride = 0;
- }
-
- dui = (GLuint *)df;
- di = (GLint *)df;
-
- if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
- /* convert GL Y to Gallium Y */
- y = strb->Base.Height - y - height;
- }
-
- /* Create a read transfer from the renderbuffer's texture */
- trans = pipe_get_transfer(pipe, strb->texture,
- strb->rtt_level, /* level */
- strb->rtt_face + strb->rtt_slice, /* layer */
- PIPE_TRANSFER_READ,
- x, y, width, height);
-
- /* determine bottom-to-top vs. top-to-bottom order */
- if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
- y = height - 1;
- yStep = -1;
- }
- else {
- y = 0;
- yStep = 1;
- }
-
- /* possibly convert sRGB format to linear RGB format */
- pformat = util_format_linear(trans->resource->format);
-
- if (ST_DEBUG & DEBUG_FALLBACK)
- debug_printf("%s: fallback processing\n", __FUNCTION__);
-
- /*
- * Copy pixels from pipe_transfer to user memory
- */
- {
- /* dest of first pixel in client memory */
- GLubyte *dst = _mesa_image_address2d(&clippedPacking, dest, width,
- height, format, type, 0, 0);
- /* dest row stride */
- const GLint dstStride = _mesa_image_row_stride(&clippedPacking, width,
- format, type);
-
- if (pformat == PIPE_FORMAT_Z24_UNORM_S8_UINT ||
- pformat == PIPE_FORMAT_Z24X8_UNORM) {
- if (format == GL_DEPTH_COMPONENT) {
- for (i = 0; i < height; i++) {
- GLuint ztemp[MAX_WIDTH];
- GLfloat zfloat[MAX_WIDTH];
- const double scale = 1.0 / ((1 << 24) - 1);
- pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0);
- y += yStep;
- for (j = 0; j < width; j++) {
- zfloat[j] = (float) (scale * (ztemp[j] & 0xffffff));
- }
- _mesa_pack_depth_span(ctx, width, dst, type,
- zfloat, &clippedPacking);
- dst += dstStride;
- }
- }
- else {
- /* XXX: unreachable code -- should be before st_read_stencil_pixels */
- assert(format == GL_DEPTH_STENCIL_EXT);
- for (i = 0; i < height; i++) {
- GLuint *zshort = (GLuint *)dst;
- pipe_get_tile_raw(pipe, trans, 0, y, width, 1, dst, 0);
- y += yStep;
- /* Reverse into 24/8 */
- for (j = 0; j < width; j++) {
- zshort[j] = (zshort[j] << 8) | (zshort[j] >> 24);
- }
- dst += dstStride;
- }
- }
- }
- else if (pformat == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
- pformat == PIPE_FORMAT_X8Z24_UNORM) {
- if (format == GL_DEPTH_COMPONENT) {
- for (i = 0; i < height; i++) {
- GLuint ztemp[MAX_WIDTH];
- GLfloat zfloat[MAX_WIDTH];
- const double scale = 1.0 / ((1 << 24) - 1);
- pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0);
- y += yStep;
- for (j = 0; j < width; j++) {
- zfloat[j] = (float) (scale * ((ztemp[j] >> 8) & 0xffffff));
- }
- _mesa_pack_depth_span(ctx, width, dst, type,
- zfloat, &clippedPacking);
- dst += dstStride;
- }
- }
- else {
- /* XXX: unreachable code -- should be before st_read_stencil_pixels */
- assert(format == GL_DEPTH_STENCIL_EXT);
- for (i = 0; i < height; i++) {
- pipe_get_tile_raw(pipe, trans, 0, y, width, 1, dst, 0);
- y += yStep;
- dst += dstStride;
- }
- }
- }
- else if (pformat == PIPE_FORMAT_Z16_UNORM) {
- for (i = 0; i < height; i++) {
- GLushort ztemp[MAX_WIDTH];
- GLfloat zfloat[MAX_WIDTH];
- const double scale = 1.0 / 0xffff;
- pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0);
- y += yStep;
- for (j = 0; j < width; j++) {
- zfloat[j] = (float) (scale * ztemp[j]);
- }
- _mesa_pack_depth_span(ctx, width, dst, type,
- zfloat, &clippedPacking);
- dst += dstStride;
- }
- }
- else if (pformat == PIPE_FORMAT_Z32_UNORM) {
- for (i = 0; i < height; i++) {
- GLuint ztemp[MAX_WIDTH];
- GLfloat zfloat[MAX_WIDTH];
- const double scale = 1.0 / 0xffffffff;
- pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0);
- y += yStep;
- for (j = 0; j < width; j++) {
- zfloat[j] = (float) (scale * ztemp[j]);
- }
- _mesa_pack_depth_span(ctx, width, dst, type,
- zfloat, &clippedPacking);
- dst += dstStride;
- }
- }
- else if (pformat == PIPE_FORMAT_Z32_FLOAT) {
- for (i = 0; i < height; i++) {
- GLfloat zfloat[MAX_WIDTH];
- pipe_get_tile_raw(pipe, trans, 0, y, width, 1, zfloat, 0);
- y += yStep;
- _mesa_pack_depth_span(ctx, width, dst, type,
- zfloat, &clippedPacking);
- dst += dstStride;
- }
- }
- else if (pformat == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) {
- assert(format == GL_DEPTH_COMPONENT);
- for (i = 0; i < height; i++) {
- GLfloat zfloat[MAX_WIDTH]; /* Z32 */
- GLfloat zfloat2[MAX_WIDTH*2]; /* Z32X32 */
- pipe_get_tile_raw(pipe, trans, 0, y, width, 1, zfloat2, 0);
- y += yStep;
- for (j = 0; j < width; j++) {
- zfloat[j] = zfloat2[j*2];
- }
- _mesa_pack_depth_span(ctx, width, dst, type,
- zfloat, &clippedPacking);
- dst += dstStride;
- }
- }
- else if (util_format_is_pure_sint(pformat)) {
- for (i = 0; i < height; i++) {
- if (type == GL_UNSIGNED_INT)
- pipe_get_tile_ui_format(pipe, trans, 0, y, width, 1,
- pformat, dui);
- else
- pipe_get_tile_i_format(pipe, trans, 0, y, width, 1,
- pformat, di);
- y += yStep;
- if (!dfStride) {
- _mesa_pack_rgba_span_int(ctx, width, (GLuint (*)[4])temp,
- format, type, dst);
- dst += dstStride;
- }
- }
- } else if (util_format_is_pure_uint(pformat)) {
- for (i = 0; i < height; i++) {
- if (type == GL_UNSIGNED_INT)
- pipe_get_tile_ui_format(pipe, trans, 0, y, width, 1,
- pformat, dui);
- else
- pipe_get_tile_i_format(pipe, trans, 0, y, width, 1,
- pformat, di);
- y += yStep;
- df += dfStride;
- if (!dfStride) {
- _mesa_pack_rgba_span_int(ctx, width, (GLuint (*)[4])temp,
- format, type, dst);
- dst += dstStride;
- }
- }
- } else {
- /* RGBA format */
- /* Do a row at a time to flip image data vertically */
- for (i = 0; i < height; i++) {
- pipe_get_tile_rgba_format(pipe, trans, 0, y, width, 1,
- pformat, df);
- y += yStep;
- df += dfStride;
- if (!dfStride) {
- _mesa_pack_rgba_span_float(ctx, width, temp, format, type, dst,
- &clippedPacking, transferOps);
- dst += dstStride;
- }
- }
- }
- }
-
- free(temp);
-
- pipe->transfer_destroy(pipe, trans);
-
- _mesa_unmap_pbo_dest(ctx, &clippedPacking);
+ _mesa_readpixels(ctx, x, y, width, height, format, type, pack, dest);
}
diff --git a/mesalib/src/mesa/state_tracker/st_cb_readpixels.h b/mesalib/src/mesa/state_tracker/st_cb_readpixels.h
index fba1a6540..fdc854782 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_readpixels.h
+++ b/mesalib/src/mesa/state_tracker/st_cb_readpixels.h
@@ -1,52 +1,40 @@
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * 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 TUNGSTEN 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.
- *
- **************************************************************************/
-
-
-#ifndef ST_CB_READPIXELS_H
-#define ST_CB_READPIXELS_H
-
-#include "main/glheader.h"
-
-struct dd_function_table;
-struct gl_context;
-struct gl_pixelstore_attrib;
-
-extern struct st_renderbuffer *
-st_get_color_read_renderbuffer(struct gl_context *ctx);
-
-extern void
-st_read_stencil_pixels(struct gl_context *ctx, GLint x, GLint y,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- const struct gl_pixelstore_attrib *packing,
- GLvoid *pixels);
-
-extern void
-st_init_readpixels_functions(struct dd_function_table *functions);
-
-
-#endif /* ST_CB_READPIXELS_H */
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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 TUNGSTEN 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.
+ *
+ **************************************************************************/
+
+
+#ifndef ST_CB_READPIXELS_H
+#define ST_CB_READPIXELS_H
+
+#include "main/glheader.h"
+
+struct dd_function_table;
+
+extern void
+st_init_readpixels_functions(struct dd_function_table *functions);
+
+
+#endif /* ST_CB_READPIXELS_H */
diff --git a/mesalib/src/mesa/state_tracker/st_draw.c b/mesalib/src/mesa/state_tracker/st_draw.c
index f2fbf4836..cb518e1af 100644
--- a/mesalib/src/mesa/state_tracker/st_draw.c
+++ b/mesalib/src/mesa/state_tracker/st_draw.c
@@ -436,8 +436,8 @@ setup_interleaved_attribs(struct gl_context *ctx,
/* all interleaved arrays in a VBO */
struct st_buffer_object *stobj = st_buffer_object(bufobj);
- if (!stobj) {
- /* probably out of memory */
+ if (!stobj || !stobj->buffer) {
+ /* probably out of memory (or zero-sized buffer) */
return GL_FALSE;
}
@@ -505,7 +505,7 @@ setup_non_interleaved_attribs(struct gl_context *ctx,
struct st_buffer_object *stobj = st_buffer_object(bufobj);
if (!stobj || !stobj->buffer) {
- /* probably ran out of memory */
+ /* probably out of memory (or zero-sized buffer) */
return GL_FALSE;
}
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index b133164c3..0bf6766f7 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -2873,55 +2873,6 @@ count_resources(glsl_to_tgsi_visitor *v, gl_program *prog)
_mesa_update_shader_textures_used(prog);
}
-
-/**
- * Check if the given vertex/fragment/shader program is within the
- * resource limits of the context (number of texture units, etc).
- * If any of those checks fail, record a linker error.
- *
- * XXX more checks are needed...
- */
-static void
-check_resources(const struct gl_context *ctx,
- struct gl_shader_program *shader_program,
- glsl_to_tgsi_visitor *prog,
- struct gl_program *proginfo)
-{
- switch (proginfo->Target) {
- case GL_VERTEX_PROGRAM_ARB:
- if (_mesa_bitcount(prog->samplers_used) >
- ctx->Const.MaxVertexTextureImageUnits) {
- fail_link(shader_program, "Too many vertex shader texture samplers");
- }
- if (proginfo->Parameters->NumParameters > MAX_UNIFORMS) {
- fail_link(shader_program, "Too many vertex shader constants");
- }
- break;
- case MESA_GEOMETRY_PROGRAM:
- if (_mesa_bitcount(prog->samplers_used) >
- ctx->Const.MaxGeometryTextureImageUnits) {
- fail_link(shader_program, "Too many geometry shader texture samplers");
- }
- if (proginfo->Parameters->NumParameters >
- MAX_GEOMETRY_UNIFORM_COMPONENTS / 4) {
- fail_link(shader_program, "Too many geometry shader constants");
- }
- break;
- case GL_FRAGMENT_PROGRAM_ARB:
- if (_mesa_bitcount(prog->samplers_used) >
- ctx->Const.MaxTextureImageUnits) {
- fail_link(shader_program, "Too many fragment shader texture samplers");
- }
- if (proginfo->Parameters->NumParameters > MAX_UNIFORMS) {
- fail_link(shader_program, "Too many fragment shader constants");
- }
- break;
- default:
- _mesa_problem(ctx, "unexpected program type in check_resources()");
- }
-}
-
-
static void
set_uniform_initializer(struct gl_context *ctx, void *mem_ctx,
struct gl_shader_program *shader_program,
@@ -4015,6 +3966,7 @@ struct st_translate {
/** Map Mesa's SYSTEM_VALUE_x to TGSI_SEMANTIC_x */
static unsigned mesa_sysval_to_semantic[SYSTEM_VALUE_MAX] = {
TGSI_SEMANTIC_FACE,
+ TGSI_SEMANTIC_VERTEXID,
TGSI_SEMANTIC_INSTANCEID
};
@@ -4991,6 +4943,7 @@ get_mesa_program(struct gl_context *ctx,
_mesa_print_ir(shader->ir, NULL);
printf("\n");
printf("\n");
+ fflush(stdout);
}
prog->Instructions = NULL;
@@ -4999,8 +4952,6 @@ get_mesa_program(struct gl_context *ctx,
do_set_program_inouts(shader->ir, prog, shader->Type == GL_FRAGMENT_SHADER);
count_resources(v, prog);
- check_resources(ctx, shader_program, v, prog);
-
_mesa_reference_program(ctx, &shader->Program, prog);
/* This has to be done last. Any operation the can cause
diff --git a/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c
index 27ebb1ad7..ac615343a 100644
--- a/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c
+++ b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c
@@ -108,6 +108,7 @@ struct st_translate {
/** Map Mesa's SYSTEM_VALUE_x to TGSI_SEMANTIC_x */
static unsigned mesa_sysval_to_semantic[SYSTEM_VALUE_MAX] = {
TGSI_SEMANTIC_FACE,
+ TGSI_SEMANTIC_VERTEXID,
TGSI_SEMANTIC_INSTANCEID
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 16:02:01 +0000