summaryrefslogtreecommitdiff
path: root/xc/lib/GL/mesa/src/drv/tdfx/tdfx_pixels.c
diff options
context:
space:
mode:
Diffstat (limited to 'xc/lib/GL/mesa/src/drv/tdfx/tdfx_pixels.c')
-rw-r--r--xc/lib/GL/mesa/src/drv/tdfx/tdfx_pixels.c170
1 files changed, 110 insertions, 60 deletions
diff --git a/xc/lib/GL/mesa/src/drv/tdfx/tdfx_pixels.c b/xc/lib/GL/mesa/src/drv/tdfx/tdfx_pixels.c
index 9be3edf44..dc9b01e0f 100644
--- a/xc/lib/GL/mesa/src/drv/tdfx/tdfx_pixels.c
+++ b/xc/lib/GL/mesa/src/drv/tdfx/tdfx_pixels.c
@@ -23,7 +23,7 @@
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
-/* $XFree86: xc/lib/GL/mesa/src/drv/tdfx/tdfx_pixels.c,v 1.3 2001/08/18 02:51:06 dawes Exp $ */
+/* $XFree86$ */
/*
* Original rewrite:
@@ -38,13 +38,56 @@
#include "tdfx_context.h"
#include "tdfx_dd.h"
+#include "tdfx_lock.h"
#include "tdfx_vb.h"
-#include "tdfx_pipeline.h"
#include "tdfx_pixels.h"
#include "tdfx_render.h"
+#include "swrast/swrast.h"
+
#include "image.h"
+
+#define FX_grLfbWriteRegion(fxMesa,dst_buffer,dst_x,dst_y,src_format,src_width,src_height,src_stride,src_data) \
+ do { \
+ LOCK_HARDWARE(fxMesa); \
+ fxMesa->Glide.grLfbWriteRegion(dst_buffer,dst_x,dst_y,src_format,src_width,src_height,FXFALSE,src_stride,src_data); \
+ UNLOCK_HARDWARE(fxMesa); \
+ } while(0)
+
+
+#define FX_grLfbReadRegion(fxMesa,src_buffer,src_x,src_y,src_width,src_height,dst_stride,dst_data) \
+ do { \
+ LOCK_HARDWARE(fxMesa); \
+ fxMesa->Glide.grLfbReadRegion(src_buffer,src_x,src_y,src_width,src_height,dst_stride,dst_data); \
+ UNLOCK_HARDWARE(fxMesa); \
+ } while (0);
+
+
+static FxBool
+FX_grLfbLock(tdfxContextPtr fxMesa, GrLock_t type, GrBuffer_t buffer,
+ GrLfbWriteMode_t writeMode, GrOriginLocation_t origin,
+ FxBool pixelPipeline, GrLfbInfo_t * info)
+{
+ FxBool result;
+
+ LOCK_HARDWARE(fxMesa);
+ result = fxMesa->Glide.grLfbLock(type, buffer, writeMode, origin, pixelPipeline, info);
+ UNLOCK_HARDWARE(fxMesa);
+ return result;
+}
+
+
+
+#define FX_grLfbUnlock(fxMesa, t, b) \
+ do { \
+ LOCK_HARDWARE(fxMesa); \
+ fxMesa->Glide.grLfbUnlock(t, b); \
+ UNLOCK_HARDWARE(fxMesa); \
+ } while (0)
+
+
+
#if 0
/* test if window coord (px,py) is visible */
static GLboolean
@@ -432,25 +475,26 @@ tdfx_bitmap_R8G8B8A8(GLcontext * ctx, GLint px, GLint py,
}
#endif
-GLboolean
+void
tdfx_readpixels_R5G6B5(GLcontext * ctx, GLint x, GLint y,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *packing,
GLvoid * dstImage)
{
- if (!(format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5)) {
- return GL_FALSE; /* format/type not recognised */
- }
-
- if (ctx->Pixel.ScaleOrBiasRGBA || ctx->Pixel.MapColorFlag) {
- return GL_FALSE; /* can't do this */
+ if (format != GL_RGB ||
+ type != GL_UNSIGNED_SHORT_5_6_5 ||
+ (ctx->_ImageTransferState & (IMAGE_SCALE_BIAS_BIT|
+ IMAGE_MAP_COLOR_BIT)))
+ {
+ _swrast_ReadPixels( ctx, x, y, width, height, format, type, packing,
+ dstImage );
+ return;
}
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
GrLfbInfo_t info;
- GLboolean result = GL_FALSE;
const GLint winX = fxMesa->x_offset;
const GLint winY = fxMesa->y_offset + fxMesa->height - 1;
@@ -460,9 +504,9 @@ tdfx_readpixels_R5G6B5(GLcontext * ctx, GLint x, GLint y,
LOCK_HARDWARE( fxMesa );
info.size = sizeof(info);
if (fxMesa->Glide.grLfbLock(GR_LFB_READ_ONLY,
- fxMesa->ReadBuffer,
- GR_LFBWRITEMODE_ANY,
- GR_ORIGIN_UPPER_LEFT, FXFALSE, &info)) {
+ fxMesa->ReadBuffer,
+ GR_LFBWRITEMODE_ANY,
+ GR_ORIGIN_UPPER_LEFT, FXFALSE, &info)) {
const GLint srcStride = (fxMesa->glCtx->Color.DrawBuffer ==
GL_FRONT) ? (fxMesa->screen_width) : (info.strideInBytes / 2);
const GLushort *src = (const GLushort *) info.lfbPtr
@@ -472,45 +516,43 @@ tdfx_readpixels_R5G6B5(GLcontext * ctx, GLint x, GLint y,
const GLint dstStride = _mesa_image_row_stride(packing,
width, format, type);
- if (format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5) {
- /* directly memcpy 5R6G5B pixels into client's buffer */
- const GLint widthInBytes = width * 2;
- GLint row;
- for (row = 0; row < height; row++) {
- MEMCPY(dst, src, widthInBytes);
- dst += dstStride;
- src -= srcStride;
- }
- result = GL_TRUE;
+ /* directly memcpy 5R6G5B pixels into client's buffer */
+ const GLint widthInBytes = width * 2;
+ GLint row;
+ for (row = 0; row < height; row++) {
+ MEMCPY(dst, src, widthInBytes);
+ dst += dstStride;
+ src -= srcStride;
}
fxMesa->Glide.grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->ReadBuffer);
}
UNLOCK_HARDWARE( fxMesa );
- return result;
+ return;
}
}
-GLboolean
+void
tdfx_readpixels_R8G8B8A8(GLcontext * ctx, GLint x, GLint y,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *packing,
GLvoid * dstImage)
{
- if (!(format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8) &&
- !(format == GL_BGRA && type == GL_UNSIGNED_BYTE)) {
- return GL_FALSE; /* format/type not optimised */
+ if ((!(format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8) &&
+ !(format == GL_BGRA && type == GL_UNSIGNED_BYTE)) ||
+ (ctx->_ImageTransferState & (IMAGE_SCALE_BIAS_BIT|
+ IMAGE_MAP_COLOR_BIT)))
+ {
+ _swrast_ReadPixels( ctx, x, y, width, height, format, type, packing,
+ dstImage );
+ return;
}
- if (ctx->Pixel.ScaleOrBiasRGBA || ctx->Pixel.MapColorFlag) {
- return GL_FALSE; /* can't do this */
- }
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
GrLfbInfo_t info;
- GLboolean result = GL_FALSE;
const GLint winX = fxMesa->x_offset;
const GLint winY = fxMesa->y_offset + fxMesa->height - 1;
@@ -520,9 +562,9 @@ tdfx_readpixels_R8G8B8A8(GLcontext * ctx, GLint x, GLint y,
LOCK_HARDWARE(fxMesa);
info.size = sizeof(info);
if (fxMesa->Glide.grLfbLock(GR_LFB_READ_ONLY,
- fxMesa->ReadBuffer,
- GR_LFBWRITEMODE_ANY,
- GR_ORIGIN_UPPER_LEFT, FXFALSE, &info))
+ fxMesa->ReadBuffer,
+ GR_LFBWRITEMODE_ANY,
+ GR_ORIGIN_UPPER_LEFT, FXFALSE, &info))
{
const GLint srcStride = (fxMesa->glCtx->Color.DrawBuffer == GL_FRONT)
? (fxMesa->screen_width) : (info.strideInBytes / 4);
@@ -534,46 +576,53 @@ tdfx_readpixels_R8G8B8A8(GLcontext * ctx, GLint x, GLint y,
dstImage, width, height, format, type, 0, 0, 0);
const GLint widthInBytes = width * 4;
- if ((format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8) ||
- (format == GL_BGRA && type == GL_UNSIGNED_BYTE)) {
+ {
GLint row;
for (row = 0; row < height; row++) {
MEMCPY(dst, src, widthInBytes);
dst += dstStride;
src -= srcStride;
}
- result = GL_TRUE;
}
fxMesa->Glide.grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->ReadBuffer);
}
UNLOCK_HARDWARE(fxMesa);
- return result;
}
}
-GLboolean
+void
tdfx_drawpixels_R8G8B8A8(GLcontext * ctx, GLint x, GLint y,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *unpack,
const GLvoid * pixels)
{
- if (!(format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8) &&
- !(format == GL_BGRA && type == GL_UNSIGNED_BYTE)) {
- return GL_FALSE; /* format/type not optimised */
- }
-
- if (ctx->Pixel.ZoomX!=1.0F || ctx->Pixel.ZoomY!=1.0F) {
- return GL_FALSE; /* can't scale pixels */
- }
-
- if (ctx->Pixel.ScaleOrBiasRGBA || ctx->Pixel.MapColorFlag) {
- return GL_FALSE; /* can't do this */
- }
+ tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
- if (ctx->RasterMask & (~BLEND_BIT)) {
- return GL_FALSE; /* can't do any raster ops, except blend */
+ if ((!(format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8) &&
+ !(format == GL_BGRA && type == GL_UNSIGNED_BYTE)) ||
+ ctx->Pixel.ZoomX != 1.0F ||
+ ctx->Pixel.ZoomY != 1.0F ||
+ (ctx->_ImageTransferState & (IMAGE_SCALE_BIAS_BIT|
+ IMAGE_MAP_COLOR_BIT)) ||
+ 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._ReallyEnabled ||
+ ctx->Depth.OcclusionTest ||
+ fxMesa->Fallback)
+ {
+ _swrast_DrawPixels( ctx, x, y, width, height, format, type,
+ unpack, pixels );
+ return;
}
{
@@ -590,7 +639,7 @@ tdfx_drawpixels_R8G8B8A8(GLcontext * ctx, GLint x, GLint y,
LOCK_HARDWARE(fxMesa);
/* make sure hardware has latest blend funcs */
- if (ctx->RasterMask & BLEND_BIT) {
+ if (ctx->Color.BlendEnabled) {
fxMesa->dirty |= TDFX_UPLOAD_BLEND_FUNC;
tdfxEmitHwStateLocked( fxMesa );
}
@@ -599,15 +648,17 @@ tdfx_drawpixels_R8G8B8A8(GLcontext * ctx, GLint x, GLint y,
if (fxMesa->glCtx->Color.DrawBuffer == GL_FRONT) {
if (!inClipRects_Region(fxMesa, scrX, scrY, width, height)) {
UNLOCK_HARDWARE(fxMesa);
- return GL_FALSE;
+ _swrast_DrawPixels( ctx, x, y, width, height, format, type,
+ unpack, pixels );
+ return;
}
}
info.size = sizeof(info);
if (fxMesa->Glide.grLfbLock(GR_LFB_WRITE_ONLY,
- fxMesa->DrawBuffer,
- GR_LFBWRITEMODE_8888,
- GR_ORIGIN_UPPER_LEFT, FXTRUE, &info))
+ fxMesa->DrawBuffer,
+ GR_LFBWRITEMODE_8888,
+ GR_ORIGIN_UPPER_LEFT, FXTRUE, &info))
{
const GLint dstStride = (fxMesa->glCtx->Color.DrawBuffer == GL_FRONT)
? (fxMesa->screen_width * 4) : (info.strideInBytes);
@@ -633,6 +684,5 @@ tdfx_drawpixels_R8G8B8A8(GLcontext * ctx, GLint x, GLint y,
fxMesa->Glide.grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->DrawBuffer);
}
UNLOCK_HARDWARE(fxMesa);
- return result;
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 17:14:57 +0000