diff options
Diffstat (limited to 'src/mesa/drivers/osmesa/osmesa.c')
| -rw-r--r-- | src/mesa/drivers/osmesa/osmesa.c | 472 |
1 files changed, 242 insertions, 230 deletions
diff --git a/src/mesa/drivers/osmesa/osmesa.c b/src/mesa/drivers/osmesa/osmesa.c index 7aa5673256a..9eb0fcd9838 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; } } |