diff options
author | Brian Paul <[email protected]> | 2002-06-15 02:38:15 +0000 |
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committer | Brian Paul <[email protected]> | 2002-06-15 02:38:15 +0000 |
commit | 4753d60dd070bb08d0116076bcc08025c86ce857 (patch) | |
tree | b1516c35acfa41ae17d575b92b8c776bd530297a /src/mesa/main/drawpix.c | |
parent | 5e54ddc3a69df060c3ca2acbdd45247e30c947d6 (diff) |
Added ctx parameter to _mesa_debug()
Added _mesa_printf()
Updated SetDrawBuffer() function in all drivers (ala 4.0.3)
Import 4.0.3/DRI changes.
Diffstat (limited to 'src/mesa/main/drawpix.c')
-rw-r--r-- | src/mesa/main/drawpix.c | 67 |
1 files changed, 66 insertions, 1 deletions
diff --git a/src/mesa/main/drawpix.c b/src/mesa/main/drawpix.c index 1c37f5b9a2c..edad15b3e7f 100644 --- a/src/mesa/main/drawpix.c +++ b/src/mesa/main/drawpix.c @@ -1,4 +1,4 @@ -/* $Id: drawpix.c,v 1.60 2002/05/09 21:54:16 brianp Exp $ */ +/* $Id: drawpix.c,v 1.61 2002/06/15 02:38:15 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -223,3 +223,68 @@ _mesa_Bitmap( GLsizei width, GLsizei height, ctx->Current.RasterPos[0] += xmove; ctx->Current.RasterPos[1] += ymove; } + + + +#if 0 /* experimental */ +/* + * Execute glDrawDepthPixelsMESA(). This function accepts both a color + * image and depth (Z) image. Rasterization produces fragments with + * color and Z taken from these images. This function is intended for + * Z-compositing. Normally, this operation requires two glDrawPixels + * calls with stencil testing. + */ +void +_mesa_DrawDepthPixelsMESA( GLsizei width, GLsizei height, + GLenum colorFormat, GLenum colorType, + const GLvoid *colors, + GLenum depthType, const GLvoid *depths ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (width < 0 || height < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, + "glDrawDepthPixelsMESA(width or height < 0" ); + return; + } + + if (ctx->RenderMode==GL_RENDER) { + GLint x, y; + if (!colors || !depths || !ctx->Current.RasterPosValid) { + return; + } + + if (ctx->NewState) { + _mesa_update_state(ctx); + } + + /* Round, to satisfy conformance tests (matches SGI's OpenGL) */ + x = IROUND(ctx->Current.RasterPos[0]); + y = IROUND(ctx->Current.RasterPos[1]); + + ctx->OcclusionResult = GL_TRUE; + ctx->Driver.DrawDepthPixelsMESA(ctx, x, y, width, height, + colorFormat, colorType, colors, + depthType, depths, &ctx->Unpack); + } + else if (ctx->RenderMode==GL_FEEDBACK) { + /* Feedback the current raster pos info */ + if (ctx->Current.RasterPosValid) { + FLUSH_CURRENT( ctx, 0 ); + FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_DRAW_PIXEL_TOKEN ); + _mesa_feedback_vertex( ctx, + ctx->Current.RasterPos, + ctx->Current.RasterColor, + ctx->Current.RasterIndex, + ctx->Current.RasterTexCoords[0] ); + } + } + else if (ctx->RenderMode==GL_SELECT) { + if (ctx->Current.RasterPosValid) { + _mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] ); + } + } +} + +#endif |