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authorBrian Paul <brian.paul@tungstengraphics.com>2005-05-04 20:11:35 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2005-05-04 20:11:35 +0000
commite4b2356c07d31fbeeabb13b2fb47db703b473080 (patch)
treed8b7f1c7c9e7c84d84349485f942dd205dd4c16d /src/mesa/drivers/osmesa
parentebef61f5c0950572f9c6a81b08f447957461675c (diff)
Major check-in of changes for GL_EXT_framebuffer_object extension.
Main driver impacts: - new code for creating the Mesa GLframebuffer - new span/pixel read/write code Some drivers not yet updated/tested.
Diffstat (limited to 'src/mesa/drivers/osmesa')
-rw-r--r--src/mesa/drivers/osmesa/osmesa.c472
1 files changed, 242 insertions, 230 deletions
diff --git a/src/mesa/drivers/osmesa/osmesa.c b/src/mesa/drivers/osmesa/osmesa.c
index 7aa5673256..9eb0fcd983 100644
--- a/src/mesa/drivers/osmesa/osmesa.c
+++ b/src/mesa/drivers/osmesa/osmesa.c
@@ -35,20 +35,13 @@
#include "glheader.h"
#include "GL/osmesa.h"
-#include "buffers.h"
-#include "bufferobj.h"
#include "context.h"
-#include "colormac.h"
-#include "depth.h"
#include "extensions.h"
+#include "framebuffer.h"
+#include "fbobject.h"
#include "imports.h"
-#include "macros.h"
-#include "matrix.h"
#include "mtypes.h"
-#include "texformat.h"
-#include "texobj.h"
-#include "teximage.h"
-#include "texstore.h"
+#include "renderbuffer.h"
#include "array_cache/acache.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
@@ -133,10 +126,14 @@ set_buffer( GLcontext *ctx, GLframebuffer *buffer, GLuint bufferBit )
{
/* separate read buffer not supported */
ASSERT(buffer == ctx->DrawBuffer);
- ASSERT(bufferBit == DD_FRONT_LEFT_BIT);
+ ASSERT(bufferBit == BUFFER_BIT_FRONT_LEFT);
}
+/*
+ * Just return the current buffer size.
+ * There's no window to track the size of.
+ */
static void
get_buffer_size( GLframebuffer *buffer, GLuint *width, GLuint *height )
{
@@ -151,194 +148,150 @@ get_buffer_size( GLframebuffer *buffer, GLuint *width, GLuint *height )
}
-static void
-clear( GLcontext *ctx, GLbitfield mask, GLboolean all,
- GLint x, GLint y, GLint width, GLint height )
-{
- OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
- const GLuint *colorMask = (GLuint *) &ctx->Color.ColorMask;
-
- /* sanity check - we only have a front-left buffer */
- ASSERT((mask & (DD_FRONT_RIGHT_BIT |
- DD_BACK_LEFT_BIT |
- DD_BACK_RIGHT_BIT)) == 0);
-
- /* use optimized clear for common cases (clear whole buffer to black) */
- if (mask & DD_FRONT_LEFT_BIT) {
- if (osmesa->format == OSMESA_COLOR_INDEX) {
- if (ctx->Color.ClearIndex == 0 &&
- ctx->Color.IndexMask == (GLuint) ~0 &&
- osmesa->rowlength == osmesa->width &&
- all) {
- /* clear whole buffer to zeros */
- _mesa_bzero(osmesa->buffer,
- osmesa->width * osmesa->height * sizeof(GLchan));
- mask &= ~DD_FRONT_LEFT_BIT;
- }
- }
- else {
- /* RGB[A] format */
- if (*colorMask == 0xffffffff &&
- ctx->Color.ClearColor[0] == 0.0F &&
- ctx->Color.ClearColor[1] == 0.0F &&
- ctx->Color.ClearColor[2] == 0.0F &&
- ctx->Color.ClearColor[3] == 0.0F &&
- osmesa->rowlength == osmesa->width &&
- all) {
- GLint bytesPerPixel;
- /* clear whole buffer to black */
- if (osmesa->format == OSMESA_RGBA ||
- osmesa->format == OSMESA_BGRA ||
- osmesa->format == OSMESA_ARGB)
- bytesPerPixel = 4 * sizeof(GLchan);
- else if (osmesa->format == OSMESA_RGB ||
- osmesa->format == OSMESA_BGR)
- bytesPerPixel = 3 * sizeof(GLchan);
- else if (osmesa->format == OSMESA_RGB_565)
- bytesPerPixel = sizeof(GLushort);
- else {
- _mesa_problem(ctx, "bad pixel format in osmesa_clear()");
- return;
- }
- _mesa_bzero(osmesa->buffer,
- bytesPerPixel * osmesa->width * osmesa->height);
- mask &= ~DD_FRONT_LEFT_BIT;
- }
- }
- }
-
- if (mask) {
- /* software fallback (spans) for everything else. */
- _swrast_Clear(ctx, mask, all, x, y, width, height);
- }
-}
-
-
/**********************************************************************/
/***** Read/write spans/arrays of pixels *****/
/**********************************************************************/
-
/* RGBA */
#define NAME(PREFIX) PREFIX##_RGBA
+#define FORMAT GL_RGBA
#define SPAN_VARS \
const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
#define INIT_PIXEL_PTR(P, X, Y) \
GLchan *P = osmesa->rowaddr[Y] + 4 * (X)
#define INC_PIXEL_PTR(P) P += 4
#if CHAN_TYPE == GL_FLOAT
-#define STORE_RGB_PIXEL(P, X, Y, R, G, B) \
- P[0] = MAX2((R), 0.0F); \
- P[1] = MAX2((G), 0.0F); \
- P[2] = MAX2((B), 0.0F); \
- P[3] = CHAN_MAXF
-#define STORE_RGBA_PIXEL(P, X, Y, R, G, B, A) \
- P[0] = MAX2((R), 0.0F); \
- P[1] = MAX2((G), 0.0F); \
- P[2] = MAX2((B), 0.0F); \
- P[3] = CLAMP((A), 0.0F, CHAN_MAXF)
+#define STORE_PIXEL(DST, X, Y, VALUE) \
+ DST[0] = MAX2((VALUE[RCOMP]), 0.0F); \
+ DST[1] = MAX2((VALUE[GCOMP]), 0.0F); \
+ DST[2] = MAX2((VALUE[BCOMP]), 0.0F); \
+ DST[3] = CLAMP((VALUE[ACOMP]), 0.0F, CHAN_MAXF)
#else
-#define STORE_RGB_PIXEL(P, X, Y, R, G, B) \
- P[0] = R; P[1] = G; P[2] = B; P[3] = CHAN_MAX
-#define STORE_RGBA_PIXEL(P, X, Y, R, G, B, A) \
- P[0] = R; P[1] = G; P[2] = B; P[3] = A
+#define STORE_PIXEL(DST, X, Y, VALUE) \
+ DST[0] = VALUE[RCOMP]; \
+ DST[1] = VALUE[GCOMP]; \
+ DST[2] = VALUE[BCOMP]; \
+ DST[3] = VALUE[ACOMP]
#endif
-#define FETCH_RGBA_PIXEL(R, G, B, A, P) \
- R = P[0]; G = P[1]; B = P[2]; A = P[3]
-#include "swrast/s_spantemp.h"
+#define FETCH_PIXEL(DST, SRC) \
+ DST[RCOMP] = SRC[0]; \
+ DST[GCOMP] = SRC[1]; \
+ DST[BCOMP] = SRC[2]; \
+ DST[BCOMP] = SRC[3]
+#include "swrast/s_spantemp2.h"
/* BGRA */
#define NAME(PREFIX) PREFIX##_BGRA
+#define FORMAT GL_RGBA
#define SPAN_VARS \
const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
#define INIT_PIXEL_PTR(P, X, Y) \
GLchan *P = osmesa->rowaddr[Y] + 4 * (X)
#define INC_PIXEL_PTR(P) P += 4
-#define STORE_RGB_PIXEL(P, X, Y, R, G, B) \
- P[2] = R; P[1] = G; P[0] = B; P[3] = CHAN_MAX
-#define STORE_RGBA_PIXEL(P, X, Y, R, G, B, A) \
- P[2] = R; P[1] = G; P[0] = B; P[3] = A
-#define FETCH_RGBA_PIXEL(R, G, B, A, P) \
- R = P[2]; G = P[1]; B = P[0]; A = P[3]
-#include "swrast/s_spantemp.h"
+#define STORE_PIXEL(DST, X, Y, VALUE) \
+ DST[2] = VALUE[RCOMP]; \
+ DST[1] = VALUE[GCOMP]; \
+ DST[0] = VALUE[BCOMP]; \
+ DST[3] = VALUE[ACOMP]
+#define FETCH_PIXEL(DST, SRC) \
+ DST[RCOMP] = SRC[2]; \
+ DST[GCOMP] = SRC[1]; \
+ DST[BCOMP] = SRC[0]; \
+ DST[BCOMP] = SRC[3]
+#include "swrast/s_spantemp2.h"
/* ARGB */
#define NAME(PREFIX) PREFIX##_ARGB
+#define FORMAT GL_RGBA
#define SPAN_VARS \
const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
#define INIT_PIXEL_PTR(P, X, Y) \
GLchan *P = osmesa->rowaddr[Y] + 4 * (X)
#define INC_PIXEL_PTR(P) P += 4
-#define STORE_RGB_PIXEL(P, X, Y, R, G, B) \
- P[1] = R; P[2] = G; P[3] = B; P[0] = CHAN_MAX
-#define STORE_RGBA_PIXEL(P, X, Y, R, G, B, A) \
- P[1] = R; P[2] = G; P[3] = B; P[0] = A
-#define FETCH_RGBA_PIXEL(R, G, B, A, P) \
- R = P[1]; G = P[2]; B = P[3]; A = P[0]
-#include "swrast/s_spantemp.h"
+#define STORE_PIXEL(DST, X, Y, VALUE) \
+ DST[1] = VALUE[RCOMP]; \
+ DST[2] = VALUE[GCOMP]; \
+ DST[3] = VALUE[BCOMP]; \
+ DST[0] = VALUE[ACOMP]
+#define FETCH_PIXEL(DST, SRC) \
+ DST[RCOMP] = SRC[1]; \
+ DST[GCOMP] = SRC[2]; \
+ DST[BCOMP] = SRC[3]; \
+ DST[BCOMP] = SRC[0]
+#include "swrast/s_spantemp2.h"
/* RGB */
#define NAME(PREFIX) PREFIX##_RGB
+#define FORMAT GL_RGBA
#define SPAN_VARS \
const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
#define INIT_PIXEL_PTR(P, X, Y) \
- GLchan *P = osmesa->rowaddr[Y] + 3 * (X)
+ GLchan *P = osmesa->rowaddr[Y] + 4 * (X)
#define INC_PIXEL_PTR(P) P += 3
-#define STORE_RGB_PIXEL(P, X, Y, R, G, B) \
- P[0] = R; P[1] = G; P[2] = B
-#define STORE_RGBA_PIXEL(P, X, Y, R, G, B, A) \
- P[0] = R; P[1] = G; P[2] = B
-#define FETCH_RGBA_PIXEL(R, G, B, A, P) \
- R = P[0]; G = P[1]; B = P[2]; A = CHAN_MAX
-#include "swrast/s_spantemp.h"
+#define STORE_PIXEL(DST, X, Y, VALUE) \
+ DST[0] = VALUE[RCOMP]; \
+ DST[1] = VALUE[GCOMP]; \
+ DST[2] = VALUE[BCOMP]
+#define FETCH_PIXEL(DST, SRC) \
+ DST[RCOMP] = SRC[0]; \
+ DST[GCOMP] = SRC[1]; \
+ DST[BCOMP] = SRC[2]; \
+ DST[BCOMP] = CHAN_MAX
+#include "swrast/s_spantemp2.h"
/* BGR */
#define NAME(PREFIX) PREFIX##_BGR
+#define FORMAT GL_RGBA
#define SPAN_VARS \
const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
#define INIT_PIXEL_PTR(P, X, Y) \
- GLchan *P = osmesa->rowaddr[Y] + 3 * (X)
+ GLchan *P = osmesa->rowaddr[Y] + 4 * (X)
#define INC_PIXEL_PTR(P) P += 3
-#define STORE_RGB_PIXEL(P, X, Y, R, G, B) \
- P[0] = B; P[1] = G; P[2] = R
-#define STORE_RGBA_PIXEL(P, X, Y, R, G, B, A) \
- P[0] = B; P[1] = G; P[2] = R
-#define FETCH_RGBA_PIXEL(R, G, B, A, P) \
- B = P[0]; G = P[1]; R = P[2]; A = CHAN_MAX
-#include "swrast/s_spantemp.h"
+#define STORE_PIXEL(DST, X, Y, VALUE) \
+ DST[2] = VALUE[RCOMP]; \
+ DST[1] = VALUE[GCOMP]; \
+ DST[0] = VALUE[BCOMP]
+#define FETCH_PIXEL(DST, SRC) \
+ DST[RCOMP] = SRC[2]; \
+ DST[GCOMP] = SRC[1]; \
+ DST[BCOMP] = SRC[0]; \
+ DST[BCOMP] = CHAN_MAX
+#include "swrast/s_spantemp2.h"
/* 16-bit BGR */
#if CHAN_TYPE == GL_UNSIGNED_BYTE
#define NAME(PREFIX) PREFIX##_RGB_565
+#define FORMAT GL_RGBA
#define SPAN_VARS \
const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
#define INIT_PIXEL_PTR(P, X, Y) \
GLushort *P = (GLushort *) osmesa->rowaddr[Y] + (X)
#define INC_PIXEL_PTR(P) P += 1
-#define STORE_RGB_PIXEL(P, X, Y, R, G, B) \
- *P = ( (((R) & 0xf8) << 8) | (((G) & 0xfc) << 3) | ((B) >> 3) )
-#define STORE_RGBA_PIXEL(P, X, Y, R, G, B, A) \
- *P = ( (((R) & 0xf8) << 8) | (((G) & 0xfc) << 3) | ((B) >> 3) )
-#define FETCH_RGBA_PIXEL(R, G, B, A, P) \
- R = ( (((*P) >> 8) & 0xf8) | (((*P) >> 11) & 0x7) ); \
- G = ( (((*P) >> 3) & 0xfc) | (((*P) >> 5) & 0x3) ); \
- B = ( (((*P) << 3) & 0xf8) | (((*P) ) & 0x7) ); \
- A = CHAN_MAX
-#include "swrast/s_spantemp.h"
-#endif
+#define STORE_PIXEL(DST, X, Y, VALUE) \
+ *DST = ( (((VALUE[RCOMP]) & 0xf8) << 8) | (((VALUE[GCOMP]) & 0xfc) << 3) | ((VALUE[BCOMP]) >> 3) )
+#define FETCH_PIXEL(DST, SRC) \
+ DST[RCOMP] = ( (((*SRC) >> 8) & 0xf8) | (((*SRC) >> 11) & 0x7) ); \
+ DST[GCOMP] = ( (((*SRC) >> 3) & 0xfc) | (((*SRC) >> 5) & 0x3) ); \
+ DST[BCOMP] = ( (((*SRC) << 3) & 0xf8) | (((*SRC) ) & 0x7) ); \
+ DST[ACOMP] = CHAN_MAX
+#include "swrast/s_spantemp2.h"
+#endif /* CHAN_TYPE == GL_UNSIGNED_BYTE */
/* color index */
#define NAME(PREFIX) PREFIX##_CI
+#define FORMAT GL_COLOR_INDEX8_EXT
#define SPAN_VARS \
const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
#define INIT_PIXEL_PTR(P, X, Y) \
- GLchan *P = osmesa->rowaddr[Y] + (X)
+ GLubyte *P = osmesa->rowaddr[Y] + (X)
#define INC_PIXEL_PTR(P) P += 1
-#define STORE_CI_PIXEL(P, CI) \
- P[0] = CI
-#define FETCH_CI_PIXEL(CI, P) \
- CI = P[0]
-#include "swrast/s_spantemp.h"
+#define STORE_PIXEL(DST, X, Y, VALUE) \
+ *DST = VALUE[0]
+#define FETCH_PIXEL(DST, SRC) \
+ DST = SRC[0]
+#include "swrast/s_spantemp2.h"
+
+
/**********************************************************************/
@@ -631,102 +584,121 @@ osmesa_choose_line( GLcontext *ctx )
_SWRAST_NEW_RASTERMASK)
-/* one-time, per-context initialization */
+/**
+ * Don't use _mesa_delete_renderbuffer since we can't free rb->Data.
+ */
static void
-hook_in_driver_functions( GLcontext *ctx )
+osmesa_delete_renderbuffer(struct gl_renderbuffer *rb)
{
- OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
- SWcontext *swrast = SWRAST_CONTEXT( ctx );
- struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference( ctx );
- TNLcontext *tnl = TNL_CONTEXT(ctx);
-
- ASSERT((void *) osmesa == (void *) ctx->DriverCtx);
-
- /* use default TCL pipeline */
- tnl->Driver.RunPipeline = _tnl_run_pipeline;
-
- swdd->SetBuffer = set_buffer;
-
- /* RGB(A) span/pixel functions */
- if (osmesa->format == OSMESA_RGB) {
- swdd->WriteRGBASpan = write_rgba_span_RGB;
- swdd->WriteRGBSpan = write_rgb_span_RGB;
- swdd->WriteMonoRGBASpan = write_monorgba_span_RGB;
- swdd->WriteRGBAPixels = write_rgba_pixels_RGB;
- swdd->WriteMonoRGBAPixels = write_monorgba_pixels_RGB;
- swdd->ReadRGBASpan = read_rgba_span_RGB;
- swdd->ReadRGBAPixels = read_rgba_pixels_RGB;
+ _mesa_free(rb);
+}
+
+
+/**
+ * Allocate renderbuffer storage. We don't actually allocate any storage
+ * since we're using a user-provided buffer.
+ * Just set up all the gl_renderbuffer methods.
+ */
+static GLboolean
+osmesa_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
+ GLenum internalFormat, GLuint width, GLuint height)
+{
+ const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
+
+ if (osmesa->format == OSMESA_RGBA) {
+ rb->GetRow = get_row_RGBA;
+ rb->GetValues = get_values_RGBA;
+ rb->PutRow = put_row_RGBA;
+ rb->PutMonoRow = put_mono_row_RGBA;
+ rb->PutValues = put_values_RGBA;
+ rb->PutMonoValues = put_mono_values_RGBA;
+ }
+ else if (osmesa->format == OSMESA_BGRA) {
+ rb->GetRow = get_row_BGRA;
+ rb->GetValues = get_values_BGRA;
+ rb->PutRow = put_row_BGRA;
+ rb->PutMonoRow = put_mono_row_BGRA;
+ rb->PutValues = put_values_BGRA;
+ rb->PutMonoValues = put_mono_values_BGRA;
+ }
+ else if (osmesa->format == OSMESA_ARGB) {
+ rb->GetRow = get_row_ARGB;
+ rb->GetValues = get_values_ARGB;
+ rb->PutRow = put_row_ARGB;
+ rb->PutMonoRow = put_mono_row_ARGB;
+ rb->PutValues = put_values_ARGB;
+ rb->PutMonoValues = put_mono_values_ARGB;
+ }
+ else if (osmesa->format == OSMESA_RGB) {
+ rb->GetRow = get_row_RGB;
+ rb->GetValues = get_values_RGB;
+ rb->PutRow = put_row_RGB;
+ rb->PutMonoRow = put_mono_row_RGB;
+ rb->PutValues = put_values_RGB;
+ rb->PutMonoValues = put_mono_values_RGB;
}
else if (osmesa->format == OSMESA_BGR) {
- swdd->WriteRGBASpan = write_rgba_span_BGR;
- swdd->WriteRGBSpan = write_rgb_span_BGR;
- swdd->WriteMonoRGBASpan = write_monorgba_span_BGR;
- swdd->WriteRGBAPixels = write_rgba_pixels_BGR;
- swdd->WriteMonoRGBAPixels = write_monorgba_pixels_BGR;
- swdd->ReadRGBASpan = read_rgba_span_BGR;
- swdd->ReadRGBAPixels = read_rgba_pixels_BGR;
+ rb->GetRow = get_row_BGR;
+ rb->GetValues = get_values_BGR;
+ rb->PutRow = put_row_BGR;
+ rb->PutMonoRow = put_mono_row_BGR;
+ rb->PutValues = put_values_BGR;
+ rb->PutMonoValues = put_mono_values_BGR;
}
#if CHAN_TYPE == GL_UNSIGNED_BYTE
else if (osmesa->format == OSMESA_RGB_565) {
- swdd->WriteRGBASpan = write_rgba_span_RGB_565;
- swdd->WriteRGBSpan = write_rgb_span_RGB_565;
- swdd->WriteMonoRGBASpan = write_monorgba_span_RGB_565;
- swdd->WriteRGBAPixels = write_rgba_pixels_RGB_565;
- swdd->WriteMonoRGBAPixels = write_monorgba_pixels_RGB_565;
- swdd->ReadRGBASpan = read_rgba_span_RGB_565;
- swdd->ReadRGBAPixels = read_rgba_pixels_RGB_565;
+ rb->GetRow = get_row_RGB_565;
+ rb->GetValues = get_values_RGB_565;
+ rb->PutRow = put_row_RGB_565;
+ rb->PutMonoRow = put_mono_row_RGB_565;
+ rb->PutValues = put_values_RGB_565;
+ rb->PutMonoValues = put_mono_values_RGB_565;
}
#endif
- else if (osmesa->format == OSMESA_RGBA) {
- swdd->WriteRGBASpan = write_rgba_span_RGBA;
- swdd->WriteRGBSpan = write_rgb_span_RGBA;
- swdd->WriteMonoRGBASpan = write_monorgba_span_RGBA;
- swdd->WriteRGBAPixels = write_rgba_pixels_RGBA;
- swdd->WriteMonoRGBAPixels = write_monorgba_pixels_RGBA;
- swdd->ReadRGBASpan = read_rgba_span_RGBA;
- swdd->ReadRGBAPixels = read_rgba_pixels_RGBA;
- }
- else if (osmesa->format == OSMESA_BGRA) {
- swdd->WriteRGBASpan = write_rgba_span_BGRA;
- swdd->WriteRGBSpan = write_rgb_span_BGRA;
- swdd->WriteMonoRGBASpan = write_monorgba_span_BGRA;
- swdd->WriteRGBAPixels = write_rgba_pixels_BGRA;
- swdd->WriteMonoRGBAPixels = write_monorgba_pixels_BGRA;
- swdd->ReadRGBASpan = read_rgba_span_BGRA;
- swdd->ReadRGBAPixels = read_rgba_pixels_BGRA;
- }
- else if (osmesa->format == OSMESA_ARGB) {
- swdd->WriteRGBASpan = write_rgba_span_ARGB;
- swdd->WriteRGBSpan = write_rgb_span_ARGB;
- swdd->WriteMonoRGBASpan = write_monorgba_span_ARGB;
- swdd->WriteRGBAPixels = write_rgba_pixels_ARGB;
- swdd->WriteMonoRGBAPixels = write_monorgba_pixels_ARGB;
- swdd->ReadRGBASpan = read_rgba_span_ARGB;
- swdd->ReadRGBAPixels = read_rgba_pixels_ARGB;
- }
else if (osmesa->format == OSMESA_COLOR_INDEX) {
- swdd->WriteCI32Span = write_index32_span_CI;
- swdd->WriteCI8Span = write_index8_span_CI;
- swdd->WriteMonoCISpan = write_monoindex_span_CI;
- swdd->WriteCI32Pixels = write_index_pixels_CI;
- swdd->WriteMonoCIPixels = write_monoindex_pixels_CI;
- swdd->ReadCI32Span = read_index_span_CI;
- swdd->ReadCI32Pixels = read_index_pixels_CI;
+ rb->GetRow = get_row_CI;
+ rb->GetValues = get_values_CI;
+ rb->PutRow = put_row_CI;
+ rb->PutMonoRow = put_mono_row_CI;
+ rb->PutValues = put_values_CI;
+ rb->PutMonoValues = put_mono_values_CI;
}
else {
- _mesa_problem(ctx, "bad pixel format in osmesa_update_state!\n");
+ _mesa_problem(ctx, "bad pixel format in osmesa renderbuffer_storage");
}
- /* Extend the software rasterizer with our optimized line and triangle
- * drawin functions.
- */
- swrast->choose_line = osmesa_choose_line;
- swrast->choose_triangle = osmesa_choose_triangle;
- swrast->invalidate_line |= OSMESA_NEW_LINE;
- swrast->invalidate_triangle |= OSMESA_NEW_TRIANGLE;
+ return GL_TRUE;
}
+/**
+ * Allocate a new renderbuffer tpo describe the user-provided color buffer.
+ */
+static struct gl_renderbuffer *
+new_osmesa_renderbuffer(GLenum format)
+{
+ struct gl_renderbuffer *rb = CALLOC_STRUCT(gl_renderbuffer);
+ if (rb) {
+ const GLuint name = 0;
+ _mesa_init_renderbuffer(rb, name);
+
+ rb->Delete = osmesa_delete_renderbuffer;
+ rb->AllocStorage = osmesa_renderbuffer_storage;
+
+ if (format == OSMESA_COLOR_INDEX) {
+ rb->_BaseFormat = GL_COLOR_INDEX;
+ rb->InternalFormat = GL_COLOR_INDEX;
+ rb->DataType = GL_UNSIGNED_BYTE;
+ }
+ else {
+ rb->_BaseFormat = GL_RGBA;
+ rb->InternalFormat = GL_RGBA;
+ rb->DataType = CHAN_TYPE;
+ }
+ }
+ return rb;
+}
+
/**********************************************************************/
@@ -901,7 +873,6 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits,
return NULL;
}
-
osmesa = (OSMesaContext) CALLOC_STRUCT(osmesa_context);
if (osmesa) {
osmesa->gl_visual = _mesa_create_visual( rgbmode,
@@ -931,7 +902,6 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits,
functions.GetString = get_string;
functions.UpdateState = osmesa_update_state;
functions.GetBufferSize = get_buffer_size;
- functions.Clear = clear;
if (!_mesa_initialize_context(&osmesa->mesa,
osmesa->gl_visual,
@@ -948,18 +918,24 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits,
_mesa_enable_1_4_extensions(&(osmesa->mesa));
_mesa_enable_1_5_extensions(&(osmesa->mesa));
- osmesa->gl_buffer = _mesa_create_framebuffer( osmesa->gl_visual,
- (GLboolean) ( osmesa->gl_visual->depthBits > 0 ),
- (GLboolean) ( osmesa->gl_visual->stencilBits > 0 ),
- (GLboolean) ( osmesa->gl_visual->accumRedBits > 0 ),
- GL_FALSE /* s/w alpha */ );
-
+ osmesa->gl_buffer = _mesa_create_framebuffer(osmesa->gl_visual);
if (!osmesa->gl_buffer) {
_mesa_destroy_visual( osmesa->gl_visual );
_mesa_free_context_data( &osmesa->mesa );
FREE(osmesa);
return NULL;
}
+
+ _mesa_add_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT,
+ new_osmesa_renderbuffer(format));
+ _mesa_add_soft_renderbuffers(osmesa->gl_buffer,
+ GL_FALSE, /* color */
+ osmesa->gl_visual->haveDepthBuffer,
+ osmesa->gl_visual->haveStencilBuffer,
+ osmesa->gl_visual->haveAccumBuffer,
+ GL_FALSE, /* alpha */
+ GL_FALSE /* aux */ );
+
osmesa->format = format;
osmesa->buffer = NULL;
osmesa->width = 0;
@@ -979,6 +955,9 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits,
/* Initialize the software rasterizer and helper modules. */
{
GLcontext *ctx = &osmesa->mesa;
+ SWcontext *swrast;
+ struct swrast_device_driver *swdd;
+ TNLcontext *tnl;
if (!_swrast_CreateContext( ctx ) ||
!_ac_CreateContext( ctx ) ||
@@ -991,7 +970,31 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits,
}
_swsetup_Wakeup( ctx );
- hook_in_driver_functions( ctx );
+
+ /* use default TCL pipeline */
+ tnl = TNL_CONTEXT(ctx);
+ tnl->Driver.RunPipeline = _tnl_run_pipeline;
+
+ swdd = _swrast_GetDeviceDriverReference( ctx );
+ swdd->SetBuffer = set_buffer;
+
+ /* no longer used */
+ swdd->WriteRGBASpan = NULL;
+ swdd->WriteRGBSpan = NULL;
+ swdd->WriteMonoRGBASpan = NULL;
+ swdd->WriteRGBAPixels = NULL;
+ swdd->WriteMonoRGBAPixels = NULL;
+ swdd->ReadRGBASpan = NULL;
+ swdd->ReadRGBAPixels = NULL;
+
+ /* Extend the software rasterizer with our optimized line and triangle
+ * drawing functions.
+ */
+ swrast = SWRAST_CONTEXT( ctx );
+ swrast->choose_line = osmesa_choose_line;
+ swrast->choose_triangle = osmesa_choose_triangle;
+ swrast->invalidate_line |= OSMESA_NEW_LINE;
+ swrast->invalidate_triangle |= OSMESA_NEW_TRIANGLE;
}
}
return osmesa;
@@ -1117,7 +1120,7 @@ OSMesaMakeCurrent( OSMesaContext ctx, void *buffer, GLenum type,
ctx->height = height;
osmesa_update_state( &ctx->mesa, 0 );
- _mesa_make_current( &ctx->mesa, ctx->gl_buffer );
+ _mesa_make_current( &ctx->mesa, ctx->gl_buffer, ctx->gl_buffer );
if (ctx->userRowLength)
ctx->rowlength = ctx->userRowLength;
@@ -1127,7 +1130,10 @@ OSMesaMakeCurrent( OSMesaContext ctx, void *buffer, GLenum type,
compute_row_addresses( ctx );
/* this will make ensure we recognize the new buffer size */
+ _mesa_resize_framebuffer(&ctx->mesa, ctx->gl_buffer, width, height);
+#if 00
_mesa_ResizeBuffersMESA();
+#endif
/* Added by Gerk Huisma: */
_tnl_MakeCurrent( &ctx->mesa, ctx->mesa.DrawBuffer,
@@ -1225,7 +1231,13 @@ GLAPI GLboolean GLAPIENTRY
OSMesaGetDepthBuffer( OSMesaContext c, GLint *width, GLint *height,
GLint *bytesPerValue, void **buffer )
{
- if ((!c->gl_buffer) || (!c->gl_buffer->DepthBuffer)) {
+ struct gl_renderbuffer *rb = NULL;
+
+ if (c->gl_buffer)
+ rb = c->gl_buffer->Attachment[BUFFER_DEPTH].Renderbuffer;
+
+ if (!rb || !rb->Data) {
+ /*if ((!c->gl_buffer) || (!c->gl_buffer->DepthBuffer)) {*/
*width = 0;
*height = 0;
*bytesPerValue = 0;
@@ -1239,7 +1251,7 @@ OSMesaGetDepthBuffer( OSMesaContext c, GLint *width, GLint *height,
*bytesPerValue = sizeof(GLushort);
else
*bytesPerValue = sizeof(GLuint);
- *buffer = c->gl_buffer->DepthBuffer;
+ *buffer = rb->Data;
return GL_TRUE;
}
}