diff options
| -rw-r--r-- | src/mesa/main/colortab.c | 71 | ||||
| -rw-r--r-- | src/mesa/swrast/s_imaging.c | 16 |
2 files changed, 78 insertions, 9 deletions
diff --git a/src/mesa/main/colortab.c b/src/mesa/main/colortab.c index 382e8cd2770..3fdab6a27db 100644 --- a/src/mesa/main/colortab.c +++ b/src/mesa/main/colortab.c @@ -1,6 +1,6 @@ /* * Mesa 3-D graphics library - * Version: 6.1 + * Version: 6.3 * * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. * @@ -24,7 +24,7 @@ #include "glheader.h" -#include "imports.h" +#include "bufferobj.h" #include "colortab.h" #include "context.h" #include "image.h" @@ -192,6 +192,27 @@ store_colortable_entries(GLcontext *ctx, struct gl_color_table *table, GLfloat bScale, GLfloat bBias, GLfloat aScale, GLfloat aBias) { + if (ctx->Unpack.BufferObj->Name) { + /* Get/unpack the color table data from a PBO */ + GLubyte *buf; + if (!_mesa_validate_pbo_access(&ctx->Unpack, count, 1, 1, + format, type, data)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glColor[Sub]Table(bad PBO access)"); + return; + } + buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, + GL_READ_ONLY_ARB, + ctx->Unpack.BufferObj); + if (!buf) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glColor[Sub]Table(PBO mapped)"); + return; + } + data = ADD_POINTERS(buf, data); + } + + if (table->Type == GL_FLOAT) { /* convert user-provided data to GLfloat values */ GLfloat tempTab[MAX_COLOR_TABLE_SIZE * 4]; @@ -199,15 +220,18 @@ store_colortable_entries(GLcontext *ctx, struct gl_color_table *table, GLint i; _mesa_unpack_color_span_float(ctx, - count, /* number of pixels */ - table->Format, /* dest format */ - tempTab, /* dest address */ - format, type, data, /* src data */ - &ctx->Unpack, + count, /* number of pixels */ + table->Format, /* dest format */ + tempTab, /* dest address */ + format, type, /* src format/type */ + data, /* src data */ + &ctx->Unpack, IMAGE_CLAMP_BIT); /* transfer ops */ + /* the destination */ tableF = (GLfloat *) table->Table; + /* Apply scale & bias & clamp now */ switch (table->Format) { case GL_INTENSITY: for (i = 0; i < count; i++) { @@ -267,6 +291,11 @@ store_colortable_entries(GLcontext *ctx, struct gl_color_table *table, &ctx->Unpack, 0); /* transfer ops */ } + + if (ctx->Unpack.BufferObj->Name) { + ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, + ctx->Unpack.BufferObj); + } } @@ -639,7 +668,6 @@ _mesa_ColorSubTable( GLenum target, GLsizei start, -/* XXX not tested */ void GLAPIENTRY _mesa_CopyColorTable(GLenum target, GLenum internalformat, GLint x, GLint y, GLsizei width) @@ -653,7 +681,6 @@ _mesa_CopyColorTable(GLenum target, GLenum internalformat, -/* XXX not tested */ void GLAPIENTRY _mesa_CopyColorSubTable(GLenum target, GLsizei start, GLint x, GLint y, GLsizei width) @@ -861,8 +888,34 @@ _mesa_GetColorTable( GLenum target, GLenum format, return; } + if (ctx->Pack.BufferObj->Name) { + /* pack color table into PBO */ + GLubyte *buf; + if (!_mesa_validate_pbo_access(&ctx->Pack, table->Size, 1, 1, + format, type, data)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glGetColorTable(invalid PBO access)"); + return; + } + buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT, + GL_WRITE_ONLY_ARB, + ctx->Pack.BufferObj); + if (!buf) { + /* buffer is already mapped - that's an error */ + _mesa_error(ctx, GL_INVALID_OPERATION, + "glGetColorTable(PBO is mapped)"); + return; + } + data = ADD_POINTERS(buf, data); + } + _mesa_pack_rgba_span_chan(ctx, table->Size, (const GLchan (*)[4]) rgba, format, type, data, &ctx->Pack, GL_FALSE); + + if (ctx->Pack.BufferObj->Name) { + ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT, + ctx->Pack.BufferObj); + } } diff --git a/src/mesa/swrast/s_imaging.c b/src/mesa/swrast/s_imaging.c index a15cc0ba57c..088215d5350 100644 --- a/src/mesa/swrast/s_imaging.c +++ b/src/mesa/swrast/s_imaging.c @@ -39,6 +39,7 @@ _swrast_CopyColorTable( GLcontext *ctx, GLint x, GLint y, GLsizei width) { GLchan data[MAX_WIDTH][4]; + struct gl_buffer_object *bufferSave; /* Select buffer to read from */ _swrast_use_read_buffer(ctx); @@ -52,7 +53,14 @@ _swrast_CopyColorTable( GLcontext *ctx, /* Restore reading from draw buffer (the default) */ _swrast_use_draw_buffer(ctx); + /* save PBO binding */ + bufferSave = ctx->Unpack.BufferObj; + ctx->Unpack.BufferObj = ctx->Array.NullBufferObj; + _mesa_ColorTable(target, internalformat, width, GL_RGBA, CHAN_TYPE, data); + + /* restore PBO binding */ + ctx->Unpack.BufferObj = bufferSave; } @@ -61,6 +69,7 @@ _swrast_CopyColorSubTable( GLcontext *ctx,GLenum target, GLsizei start, GLint x, GLint y, GLsizei width) { GLchan data[MAX_WIDTH][4]; + struct gl_buffer_object *bufferSave; /* Select buffer to read from */ _swrast_use_read_buffer(ctx); @@ -74,7 +83,14 @@ _swrast_CopyColorSubTable( GLcontext *ctx,GLenum target, GLsizei start, /* Restore reading from draw buffer (the default) */ _swrast_use_draw_buffer(ctx); + /* save PBO binding */ + bufferSave = ctx->Unpack.BufferObj; + ctx->Unpack.BufferObj = ctx->Array.NullBufferObj; + _mesa_ColorSubTable(target, start, width, GL_RGBA, CHAN_TYPE, data); + + /* restore PBO binding */ + ctx->Unpack.BufferObj = bufferSave; } |