diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/i830_metaops.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/i830_metaops.c | 733 |
1 files changed, 0 insertions, 733 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/i830_metaops.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/i830_metaops.c deleted file mode 100644 index dd238378b..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/i830_metaops.c +++ /dev/null @@ -1,733 +0,0 @@ -/************************************************************************** - * - * Copyright 2003 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. - * - **************************************************************************/ - -#include "glheader.h" -#include "enums.h" -#include "mtypes.h" -#include "macros.h" -#include "utils.h" - -#include "intel_screen.h" -#include "intel_batchbuffer.h" -#include "intel_ioctl.h" - -#include "i830_context.h" -#include "i830_reg.h" - -/* A large amount of state doesn't need to be uploaded. - */ -#define ACTIVE (I830_UPLOAD_TEXBLEND(0) | \ - I830_UPLOAD_STIPPLE | \ - I830_UPLOAD_CTX | \ - I830_UPLOAD_BUFFERS | \ - I830_UPLOAD_TEX(0)) - - -#define SET_STATE( i830, STATE ) \ -do { \ - i830->current->emitted &= ~ACTIVE; \ - i830->current = &i830->STATE; \ - i830->current->emitted &= ~ACTIVE; \ -} while (0) - -/* Operations where the 3D engine is decoupled temporarily from the - * current GL state and used for other purposes than simply rendering - * incoming triangles. - */ -static void set_initial_state( i830ContextPtr i830 ) -{ - memcpy(&i830->meta, &i830->initial, sizeof(i830->meta) ); - i830->meta.active = ACTIVE; - i830->meta.emitted = 0; -} - - -static void set_no_depth_stencil_write( i830ContextPtr i830 ) -{ - /* ctx->Driver.Enable( ctx, GL_STENCIL_TEST, GL_FALSE ) - */ - i830->meta.Ctx[I830_CTXREG_ENABLES_1] &= ~ENABLE_STENCIL_TEST; - i830->meta.Ctx[I830_CTXREG_ENABLES_2] &= ~ENABLE_STENCIL_WRITE; - i830->meta.Ctx[I830_CTXREG_ENABLES_1] |= DISABLE_STENCIL_TEST; - i830->meta.Ctx[I830_CTXREG_ENABLES_2] |= DISABLE_STENCIL_WRITE; - - - /* ctx->Driver.Enable( ctx, GL_DEPTH_TEST, GL_FALSE ) - */ - i830->meta.Ctx[I830_CTXREG_ENABLES_1] &= ~ENABLE_DIS_DEPTH_TEST_MASK; - i830->meta.Ctx[I830_CTXREG_ENABLES_2] &= ~ENABLE_DIS_DEPTH_WRITE_MASK; - i830->meta.Ctx[I830_CTXREG_ENABLES_1] |= DISABLE_DEPTH_TEST; - i830->meta.Ctx[I830_CTXREG_ENABLES_2] |= DISABLE_DEPTH_WRITE; - - i830->meta.emitted &= ~I830_UPLOAD_CTX; -} - -/* Set stencil unit to replace always with the reference value. - */ -static void set_stencil_replace( i830ContextPtr i830, - GLuint s_mask, - GLuint s_clear) -{ - /* ctx->Driver.Enable( ctx, GL_STENCIL_TEST, GL_TRUE ) - */ - i830->meta.Ctx[I830_CTXREG_ENABLES_1] |= ENABLE_STENCIL_TEST; - i830->meta.Ctx[I830_CTXREG_ENABLES_2] |= ENABLE_STENCIL_WRITE; - - - /* ctx->Driver.Enable( ctx, GL_DEPTH_TEST, GL_FALSE ) - */ - i830->meta.Ctx[I830_CTXREG_ENABLES_1] &= ~ENABLE_DIS_DEPTH_TEST_MASK; - i830->meta.Ctx[I830_CTXREG_ENABLES_2] &= ~ENABLE_DIS_DEPTH_WRITE_MASK; - i830->meta.Ctx[I830_CTXREG_ENABLES_1] |= DISABLE_DEPTH_TEST; - i830->meta.Ctx[I830_CTXREG_ENABLES_2] |= DISABLE_DEPTH_WRITE; - - /* ctx->Driver.StencilMask( ctx, s_mask ) - */ - i830->meta.Ctx[I830_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_WRITE_MASK; - i830->meta.Ctx[I830_CTXREG_STATE4] |= (ENABLE_STENCIL_WRITE_MASK | - STENCIL_WRITE_MASK((s_mask&0xff))); - - /* ctx->Driver.StencilOp( ctx, GL_REPLACE, GL_REPLACE, GL_REPLACE ) - */ - i830->meta.Ctx[I830_CTXREG_STENCILTST] &= ~(STENCIL_OPS_MASK); - i830->meta.Ctx[I830_CTXREG_STENCILTST] |= - (ENABLE_STENCIL_PARMS | - STENCIL_FAIL_OP(STENCILOP_REPLACE) | - STENCIL_PASS_DEPTH_FAIL_OP(STENCILOP_REPLACE) | - STENCIL_PASS_DEPTH_PASS_OP(STENCILOP_REPLACE)); - - /* ctx->Driver.StencilFunc( ctx, GL_ALWAYS, s_clear, ~0 ) - */ - i830->meta.Ctx[I830_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_TEST_MASK; - i830->meta.Ctx[I830_CTXREG_STATE4] |= (ENABLE_STENCIL_TEST_MASK | - STENCIL_TEST_MASK(0xff)); - - i830->meta.Ctx[I830_CTXREG_STENCILTST] &= ~(STENCIL_REF_VALUE_MASK | - ENABLE_STENCIL_TEST_FUNC_MASK); - i830->meta.Ctx[I830_CTXREG_STENCILTST] |= - (ENABLE_STENCIL_REF_VALUE | - ENABLE_STENCIL_TEST_FUNC | - STENCIL_REF_VALUE((s_clear&0xff)) | - STENCIL_TEST_FUNC(COMPAREFUNC_ALWAYS)); - - - - i830->meta.emitted &= ~I830_UPLOAD_CTX; -} - - -static void set_color_mask( i830ContextPtr i830, GLboolean state ) -{ - const GLuint mask = ((1 << WRITEMASK_RED_SHIFT) | - (1 << WRITEMASK_GREEN_SHIFT) | - (1 << WRITEMASK_BLUE_SHIFT) | - (1 << WRITEMASK_ALPHA_SHIFT)); - - if (state) { - i830->meta.Ctx[I830_CTXREG_ENABLES_2] &= ~mask; - i830->meta.Ctx[I830_CTXREG_ENABLES_2] |= - (i830->state.Ctx[I830_CTXREG_ENABLES_2] & mask); - } - else - i830->meta.Ctx[I830_CTXREG_ENABLES_2] |= mask; - - i830->meta.emitted &= ~I830_UPLOAD_CTX; -} - -/* Installs a one-stage passthrough texture blend pipeline. Is there - * more that can be done to turn off texturing? - */ -static void set_no_texture( i830ContextPtr i830 ) -{ - static const struct gl_tex_env_combine_state comb = { - GL_NONE, GL_NONE, - { GL_TEXTURE, 0, 0, }, { GL_TEXTURE, 0, 0, }, - { GL_SRC_COLOR, 0, 0 }, { GL_SRC_ALPHA, 0, 0 }, - 0, 0, 0, 0 - }; - - i830->meta.TexBlendWordsUsed[0] = - i830SetTexEnvCombine( i830, & comb, 0, TEXBLENDARG_TEXEL0, - i830->meta.TexBlend[0], NULL); - - i830->meta.TexBlend[0][0] |= TEXOP_LAST_STAGE; - i830->meta.emitted &= ~I830_UPLOAD_TEXBLEND(0); -} - -/* Set up a single element blend stage for 'replace' texturing with no - * funny ops. - */ -static void enable_texture_blend_replace( i830ContextPtr i830, - GLenum format ) -{ - static const struct gl_tex_env_combine_state comb = { - GL_REPLACE, GL_REPLACE, - { GL_TEXTURE, 0, 0, }, { GL_TEXTURE, 0, 0, }, - { GL_SRC_COLOR, 0, 0 }, { GL_SRC_ALPHA, 0, 0 }, - 0, 0, 1, 1 - }; - - i830->meta.TexBlendWordsUsed[0] = - i830SetTexEnvCombine( i830, & comb, 0, TEXBLENDARG_TEXEL0, - i830->meta.TexBlend[0], NULL); - - i830->meta.TexBlend[0][0] |= TEXOP_LAST_STAGE; - i830->meta.emitted &= ~I830_UPLOAD_TEXBLEND(0); - -/* fprintf(stderr, "%s: TexBlendWordsUsed[0]: %d\n", */ -/* __FUNCTION__, i830->meta.TexBlendWordsUsed[0]); */ -} - - - -/* Set up an arbitary piece of memory as a rectangular texture - * (including the front or back buffer). - */ -static void set_tex_rect_source( i830ContextPtr i830, - GLuint offset, - GLuint width, - GLuint height, - GLuint pitch, - GLuint textureFormat ) -{ - GLint numLevels = 1; - GLuint *setup = i830->meta.Tex[0]; - - pitch *= i830->intel.intelScreen->cpp; - -/* fprintf(stderr, "%s: offset: %x w: %d h: %d pitch %d format %x\n", */ -/* __FUNCTION__, offset, width, height, pitch, textureFormat ); */ - - setup[I830_TEXREG_TM0LI] = (_3DSTATE_LOAD_STATE_IMMEDIATE_2 | - (LOAD_TEXTURE_MAP0 << 0) | 4); - setup[I830_TEXREG_TM0S0] = (TM0S0_USE_FENCE | offset); - setup[I830_TEXREG_TM0S1] = (((height - 1) << TM0S1_HEIGHT_SHIFT) | - ((width - 1) << TM0S1_WIDTH_SHIFT) | - textureFormat); - setup[I830_TEXREG_TM0S2] = ((((pitch / 4) - 1) << TM0S2_PITCH_SHIFT)); - setup[I830_TEXREG_TM0S3] &= ~TM0S3_MAX_MIP_MASK; - setup[I830_TEXREG_TM0S3] &= ~TM0S3_MIN_MIP_MASK; - setup[I830_TEXREG_TM0S3] |= ((numLevels - 1)*4) << TM0S3_MIN_MIP_SHIFT; - - setup[I830_TEXREG_MCS] = (_3DSTATE_MAP_COORD_SET_CMD | - MAP_UNIT(0) | - ENABLE_TEXCOORD_PARAMS | - TEXCOORDS_ARE_IN_TEXELUNITS | - TEXCOORDTYPE_CARTESIAN | - ENABLE_ADDR_V_CNTL | - TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_WRAP) | - ENABLE_ADDR_U_CNTL | - TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_WRAP)); - - i830->meta.emitted &= ~I830_UPLOAD_TEX(0); -} - - -/* Select between front and back draw buffers. - */ -static void set_draw_offset( i830ContextPtr i830, - GLuint offset ) -{ - i830->meta.Buffer[I830_DESTREG_CBUFADDR2] = offset; - i830->meta.emitted &= ~I830_UPLOAD_BUFFERS; -} - -/* Setup an arbitary draw format, useful for targeting - * texture or agp memory. - */ -static void set_draw_format( i830ContextPtr i830, - GLuint format, - GLuint depth_format) -{ - i830->meta.Buffer[I830_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) | /* .5 */ - DSTORG_VERT_BIAS(0x8) | /* .5 */ - format | - DEPTH_IS_Z | - depth_format); -} - - -static void set_vertex_format( i830ContextPtr i830 ) -{ - i830->meta.Ctx[I830_CTXREG_VF] = (_3DSTATE_VFT0_CMD | - VFT0_TEX_COUNT(1) | - VFT0_DIFFUSE | - VFT0_SPEC | - VFT0_XYZW); - i830->meta.Ctx[I830_CTXREG_VF2] = (_3DSTATE_VFT1_CMD | - VFT1_TEX0_FMT(TEXCOORDFMT_2D) | - VFT1_TEX1_FMT(TEXCOORDFMT_2D) | - VFT1_TEX2_FMT(TEXCOORDFMT_2D) | - VFT1_TEX3_FMT(TEXCOORDFMT_2D)); - i830->meta.emitted &= ~I830_UPLOAD_CTX; -} - - -static void draw_quad(i830ContextPtr i830, - GLfloat x0, GLfloat x1, - GLfloat y0, GLfloat y1, - GLubyte red, GLubyte green, - GLubyte blue, GLubyte alpha, - GLfloat s0, GLfloat s1, - GLfloat t0, GLfloat t1 ) -{ - GLuint vertex_size = 8; - GLuint *vb = intelEmitInlinePrimitiveLocked( &i830->intel, - PRIM3D_TRIFAN, - 4*vertex_size, - vertex_size ); - intelVertex tmp; - int i; - - -/* fprintf(stderr, "%s: %f,%f-%f,%f 0x%x%x%x%x %f,%f-%f,%f\n", */ -/* __FUNCTION__, */ -/* x0,y0,x1,y1,red,green,blue,alpha,s0,t0,s1,t1); */ - - - /* initial vertex, left bottom */ - tmp.v.x = x0; - tmp.v.y = y0; - tmp.v.z = 1.0; - tmp.v.w = 1.0; - tmp.v.color.red = red; - tmp.v.color.green = green; - tmp.v.color.blue = blue; - tmp.v.color.alpha = alpha; - tmp.v.specular.red = 0; - tmp.v.specular.green = 0; - tmp.v.specular.blue = 0; - tmp.v.specular.alpha = 0; - tmp.v.u0 = s0; - tmp.v.v0 = t0; - for (i = 0 ; i < 8 ; i++) - vb[i] = tmp.ui[i]; - - /* right bottom */ - vb += 8; - tmp.v.x = x1; - tmp.v.u0 = s1; - for (i = 0 ; i < 8 ; i++) - vb[i] = tmp.ui[i]; - - /* right top */ - vb += 8; - tmp.v.y = y1; - tmp.v.v0 = t1; - for (i = 0 ; i < 8 ; i++) - vb[i] = tmp.ui[i]; - - /* left top */ - vb += 8; - tmp.v.x = x0; - tmp.v.u0 = s0; - for (i = 0 ; i < 8 ; i++) - vb[i] = tmp.ui[i]; - -/* fprintf(stderr, "%s: DV1: %x\n", */ -/* __FUNCTION__, i830->meta.Buffer[I830_DESTREG_DV1]); */ -} - -void -i830ClearWithTris(intelContextPtr intel, GLbitfield mask, - GLboolean all, - GLint cx, GLint cy, GLint cw, GLint ch) -{ - i830ContextPtr i830 = I830_CONTEXT( intel ); - __DRIdrawablePrivate *dPriv = intel->driDrawable; - intelScreenPrivate *screen = intel->intelScreen; - int x0, y0, x1, y1; - - - SET_STATE( i830, meta ); - set_initial_state( i830 ); - set_no_texture( i830 ); - set_vertex_format( i830 ); - - LOCK_HARDWARE(intel); - - if(!all) { - x0 = cx; - y0 = cy; - x1 = x0 + cw; - y1 = y0 + ch; - } else { - x0 = 0; - y0 = 0; - x1 = x0 + dPriv->w; - y1 = y0 + dPriv->h; - } - - /* Don't do any clipping to screen - these are window coordinates. - * The active cliprects will be applied as for any other geometry. - */ - - if(mask & BUFFER_BIT_FRONT_LEFT) { - set_no_depth_stencil_write( i830 ); - set_color_mask( i830, GL_TRUE ); - set_draw_offset( i830, screen->frontOffset ); - draw_quad(i830, x0, x1, y0, y1, - intel->clear_red, intel->clear_green, - intel->clear_blue, intel->clear_alpha, - 0, 0, 0, 0); - } - - if(mask & BUFFER_BIT_BACK_LEFT) { - set_no_depth_stencil_write( i830 ); - set_color_mask( i830, GL_TRUE ); - set_draw_offset( i830, screen->backOffset ); - - draw_quad(i830, x0, x1, y0, y1, - intel->clear_red, intel->clear_green, - intel->clear_blue, intel->clear_alpha, - 0, 0, 0, 0); - } - - if(mask & BUFFER_BIT_STENCIL) { - set_stencil_replace( i830, - intel->ctx.Stencil.WriteMask[0], - intel->ctx.Stencil.Clear); - - set_color_mask( i830, GL_FALSE ); - set_draw_offset( i830, screen->frontOffset ); - draw_quad( i830, x0, x1, y0, y1, 0, 0, 0, 0, 0, 0, 0, 0 ); - } - - UNLOCK_HARDWARE(intel); - - SET_STATE( i830, state ); -} - - - - -GLboolean -i830TryTextureReadPixels( GLcontext *ctx, - GLint x, GLint y, GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *pack, - GLvoid *pixels ) -{ - i830ContextPtr i830 = I830_CONTEXT(ctx); - intelContextPtr intel = INTEL_CONTEXT(ctx); - intelScreenPrivate *screen = i830->intel.intelScreen; - GLint pitch = pack->RowLength ? pack->RowLength : width; - __DRIdrawablePrivate *dPriv = i830->intel.driDrawable; - int textureFormat; - GLenum glTextureFormat; - int src_offset = i830->meta.Buffer[I830_DESTREG_CBUFADDR2]; - int destOffset = intelAgpOffsetFromVirtual( &i830->intel, pixels); - int destFormat, depthFormat, destPitch; - drm_clip_rect_t tmp; - - if (INTEL_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "%s\n", __FUNCTION__); - - - if ( ctx->_ImageTransferState || - pack->SwapBytes || - pack->LsbFirst || - !pack->Invert) { - fprintf(stderr, "%s: check_color failed\n", __FUNCTION__); - return GL_FALSE; - } - - switch (screen->fbFormat) { - case DV_PF_565: - textureFormat = MAPSURF_16BIT | MT_16BIT_RGB565; - glTextureFormat = GL_RGB; - break; - case DV_PF_555: - textureFormat = MAPSURF_16BIT | MT_16BIT_ARGB1555; - glTextureFormat = GL_RGBA; - break; - case DV_PF_8888: - textureFormat = MAPSURF_32BIT | MT_32BIT_ARGB8888; - glTextureFormat = GL_RGBA; - break; - default: - fprintf(stderr, "%s: textureFormat failed %x\n", __FUNCTION__, - screen->fbFormat); - return GL_FALSE; - } - - - switch (type) { - case GL_UNSIGNED_SHORT_5_6_5: - if (format != GL_RGB) return GL_FALSE; - destFormat = COLR_BUF_RGB565; - depthFormat = DEPTH_FRMT_16_FIXED; - destPitch = pitch * 2; - break; - case GL_UNSIGNED_INT_8_8_8_8_REV: - if (format != GL_BGRA) return GL_FALSE; - destFormat = COLR_BUF_ARGB8888; - depthFormat = DEPTH_FRMT_24_FIXED_8_OTHER; - destPitch = pitch * 4; - break; - default: - fprintf(stderr, "%s: destFormat failed %s\n", __FUNCTION__, - _mesa_lookup_enum_by_nr(type)); - return GL_FALSE; - } - - destFormat |= (0x02<<24); - -/* fprintf(stderr, "type: %s destFormat: %x\n", */ -/* _mesa_lookup_enum_by_nr(type), */ -/* destFormat); */ - - intelFlush( ctx ); - - SET_STATE( i830, meta ); - set_initial_state( i830 ); - set_no_depth_stencil_write( i830 ); - - LOCK_HARDWARE( intel ); - { - intelWaitForIdle( intel ); /* required by GL */ - - if (!driClipRectToFramebuffer(ctx->ReadBuffer, &x, &y, &width, &height)) { - UNLOCK_HARDWARE( intel ); - SET_STATE(i830, state); - fprintf(stderr, "%s: cliprect failed\n", __FUNCTION__); - return GL_TRUE; - } - -#if 0 - /* FIXME -- Just emit the correct state - */ - if (i830SetParam(i830->driFd, I830_SETPARAM_CBUFFER_PITCH, - destPitch) != 0) { - UNLOCK_HARDWARE( intel ); - SET_STATE(i830, state); - fprintf(stderr, "%s: setparam failed\n", __FUNCTION__); - return GL_FALSE; - } -#endif - - - y = dPriv->h - y - height; - x += dPriv->x; - y += dPriv->y; - - - /* Set the frontbuffer up as a large rectangular texture. - */ - set_tex_rect_source( i830, - src_offset, - screen->width, - screen->height, - screen->frontPitch, - textureFormat ); - - - enable_texture_blend_replace( i830, glTextureFormat ); - - - /* Set the 3d engine to draw into the agp memory - */ - - set_draw_offset( i830, destOffset ); - set_draw_format( i830, destFormat, depthFormat ); - - - /* Draw a single quad, no cliprects: - */ - i830->intel.numClipRects = 1; - i830->intel.pClipRects = &tmp; - i830->intel.pClipRects[0].x1 = 0; - i830->intel.pClipRects[0].y1 = 0; - i830->intel.pClipRects[0].x2 = width; - i830->intel.pClipRects[0].y2 = height; - - draw_quad( i830, - 0, width, 0, height, - 0, 255, 0, 0, - x, x+width, y, y+height ); - - intelWindowMoved( intel ); - } - UNLOCK_HARDWARE( intel ); - intelFinish( ctx ); /* required by GL */ - - SET_STATE( i830, state ); - return GL_TRUE; -} - - -GLboolean -i830TryTextureDrawPixels( GLcontext *ctx, - GLint x, GLint y, GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *unpack, - const GLvoid *pixels ) -{ - intelContextPtr intel = INTEL_CONTEXT(ctx); - i830ContextPtr i830 = I830_CONTEXT(ctx); - GLint pitch = unpack->RowLength ? unpack->RowLength : width; - __DRIdrawablePrivate *dPriv = intel->driDrawable; - int textureFormat; - GLenum glTextureFormat; - int dst_offset = i830->meta.Buffer[I830_DESTREG_CBUFADDR2]; - int src_offset = intelAgpOffsetFromVirtual( intel, pixels ); - - if (INTEL_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "%s\n", __FUNCTION__); - - /* Todo -- upload images that aren't in agp space, then texture - * from them. - */ - - if ( !intelIsAgpMemory( intel, pixels, pitch*height ) ) { - fprintf(stderr, "%s: intelIsAgpMemory failed\n", __FUNCTION__); - return GL_FALSE; - } - - /* Todo -- don't want to clobber all the drawing state like we do - * for readpixels -- most of this state can be handled just fine. - */ - if ( ctx->_ImageTransferState || - unpack->SwapBytes || - unpack->LsbFirst || - ctx->Color.AlphaEnabled || - ctx->Depth.Test || - ctx->Fog.Enabled || - ctx->Scissor.Enabled || - ctx->Stencil.Enabled || - !ctx->Color.ColorMask[0] || - !ctx->Color.ColorMask[1] || - !ctx->Color.ColorMask[2] || - !ctx->Color.ColorMask[3] || - ctx->Color.ColorLogicOpEnabled || - ctx->Texture._EnabledUnits || - ctx->Depth.OcclusionTest) { - fprintf(stderr, "%s: other tests failed\n", __FUNCTION__); - return GL_FALSE; - } - - /* Todo -- remove these restrictions: - */ - if (ctx->Pixel.ZoomX != 1.0F || - ctx->Pixel.ZoomY != -1.0F) - return GL_FALSE; - - - - switch (type) { - case GL_UNSIGNED_SHORT_1_5_5_5_REV: - if (format != GL_BGRA) return GL_FALSE; - textureFormat = MAPSURF_16BIT | MT_16BIT_ARGB1555; - glTextureFormat = GL_RGBA; - break; - case GL_UNSIGNED_SHORT_5_6_5: - if (format != GL_RGB) return GL_FALSE; - textureFormat = MAPSURF_16BIT | MT_16BIT_RGB565; - glTextureFormat = GL_RGB; - break; - case GL_UNSIGNED_SHORT_8_8_MESA: - if (format != GL_YCBCR_MESA) return GL_FALSE; - textureFormat = (MAPSURF_422 | MT_422_YCRCB_SWAPY -/* | TM0S1_COLORSPACE_CONVERSION */ - ); - glTextureFormat = GL_YCBCR_MESA; - break; - case GL_UNSIGNED_SHORT_8_8_REV_MESA: - if (format != GL_YCBCR_MESA) return GL_FALSE; - textureFormat = (MAPSURF_422 | MT_422_YCRCB_NORMAL -/* | TM0S1_COLORSPACE_CONVERSION */ - ); - glTextureFormat = GL_YCBCR_MESA; - break; - case GL_UNSIGNED_INT_8_8_8_8_REV: - if (format != GL_BGRA) return GL_FALSE; - textureFormat = MAPSURF_32BIT | MT_32BIT_ARGB8888; - glTextureFormat = GL_RGBA; - break; - default: - fprintf(stderr, "%s: destFormat failed\n", __FUNCTION__); - return GL_FALSE; - } - - intelFlush( ctx ); - - SET_STATE( i830, meta ); - - LOCK_HARDWARE( intel ); - { - intelWaitForIdle( intel ); /* required by GL */ - - y -= height; /* cope with pixel zoom */ - - if (!driClipRectToFramebuffer(ctx->ReadBuffer, &x, &y, &width, &height)) { - UNLOCK_HARDWARE( intel ); - SET_STATE(i830, state); - fprintf(stderr, "%s: cliprect failed\n", __FUNCTION__); - return GL_TRUE; - } - - - y = dPriv->h - y - height; - - set_initial_state( i830 ); - - /* Set the pixel image up as a rectangular texture. - */ - set_tex_rect_source( i830, - src_offset, - width, - height, - pitch, /* XXXX!!!! -- /2 sometimes */ - textureFormat ); - - - enable_texture_blend_replace( i830, glTextureFormat ); - - - /* Draw to the current draw buffer: - */ - set_draw_offset( i830, dst_offset ); - - /* Draw a quad, use regular cliprects - */ -/* fprintf(stderr, "x: %d y: %d width %d height %d\n", x, y, width, height); */ - - draw_quad( i830, - x, x+width, y, y+height, - 0, 255, 0, 0, - 0, width, 0, height ); - - intelWindowMoved( intel ); - } - UNLOCK_HARDWARE( intel ); - intelFinish( ctx ); /* required by GL */ - - SET_STATE(i830, state); - - return GL_TRUE; -} - |