/*
* Mesa 3-D graphics library
- * Version: 6.5.3
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
*/
#include "main/glheader.h"
#include "GL/osmesa.h"
+#include "main/api_exec.h"
#include "main/context.h"
#include "main/extensions.h"
#include "main/formats.h"
#include "main/framebuffer.h"
#include "main/imports.h"
#include "main/macros.h"
+#include "main/mipmap.h"
#include "main/mtypes.h"
#include "main/renderbuffer.h"
+#include "main/version.h"
+#include "main/vtxfmt.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
#include "swrast/s_context.h"
{
struct gl_context mesa; /*< Base class - this must be first */
struct gl_config *gl_visual; /*< Describes the buffers */
- struct gl_renderbuffer *rb; /*< The user's colorbuffer */
+ struct swrast_renderbuffer *srb; /*< The user's colorbuffer */
struct gl_framebuffer *gl_buffer; /*< The framebuffer, containing user's rb */
GLenum format; /*< User-specified context format */
GLint userRowLength; /*< user-specified number of pixels per row */
GLint rInd, gInd, bInd, aInd;/*< index offsets for RGBA formats */
- GLvoid *rowaddr[MAX_HEIGHT]; /*< address of first pixel in each image row */
+ GLvoid *rowaddr[SWRAST_MAX_HEIGHT]; /*< address of first pixel in each image row */
GLboolean yup; /*< TRUE -> Y increases upward */
/*< FALSE -> Y increases downward */
+ GLenum DataType;
};
const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
const SWcontext *swrast = SWRAST_CONTEXT(ctx);
- if (osmesa->rb->DataType != GL_UNSIGNED_BYTE)
+ if (ctx->DrawBuffer &&
+ ctx->DrawBuffer->Visual.redBits == 32) {
+ /* the special-case line functions in this file don't work
+ * for float color channels.
+ */
return NULL;
+ }
+
+ if (ctx->RenderMode != GL_RENDER ||
+ ctx->Line.SmoothFlag ||
+ ctx->Texture._EnabledUnits ||
+ ctx->Light.ShadeModel != GL_FLAT ||
+ ctx->Line.Width != 1.0F ||
+ ctx->Line.StippleFlag ||
+ ctx->Line.SmoothFlag) {
+ return NULL;
+ }
- if (ctx->RenderMode != GL_RENDER) return NULL;
- if (ctx->Line.SmoothFlag) return NULL;
- if (ctx->Texture._EnabledUnits) return NULL;
- if (ctx->Light.ShadeModel != GL_FLAT) return NULL;
- if (ctx->Line.Width != 1.0F) return NULL;
- if (ctx->Line.StippleFlag) return NULL;
- if (ctx->Line.SmoothFlag) return NULL;
if (osmesa->format != OSMESA_RGBA &&
osmesa->format != OSMESA_BGRA &&
- osmesa->format != OSMESA_ARGB) return NULL;
+ osmesa->format != OSMESA_ARGB) {
+ return NULL;
+ }
- if (swrast->_RasterMask==DEPTH_BIT
- && ctx->Depth.Func==GL_LESS
- && ctx->Depth.Mask==GL_TRUE
+ if (swrast->_RasterMask == DEPTH_BIT
+ && ctx->Depth.Func == GL_LESS
+ && ctx->Depth.Mask == GL_TRUE
&& ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS) {
- return (swrast_line_func) flat_rgba_z_line;
+ return flat_rgba_z_line;
}
if (swrast->_RasterMask == 0) {
- return (swrast_line_func) flat_rgba_line;
+ return flat_rgba_line;
}
return (swrast_line_func) NULL;
const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
const SWcontext *swrast = SWRAST_CONTEXT(ctx);
- if (osmesa->rb->DataType != GL_UNSIGNED_BYTE)
- return (swrast_tri_func) NULL;
+ if (ctx->DrawBuffer &&
+ ctx->DrawBuffer->Visual.redBits == 32) {
+ /* the special-case triangle functions in this file don't work
+ * for float color channels.
+ */
+ return NULL;
+ }
+
+ if (ctx->RenderMode != GL_RENDER ||
+ ctx->Polygon.SmoothFlag ||
+ ctx->Polygon.StippleFlag ||
+ ctx->Texture._EnabledUnits) {
+ return NULL;
+ }
- if (ctx->RenderMode != GL_RENDER) return (swrast_tri_func) NULL;
- if (ctx->Polygon.SmoothFlag) return (swrast_tri_func) NULL;
- if (ctx->Polygon.StippleFlag) return (swrast_tri_func) NULL;
- if (ctx->Texture._EnabledUnits) return (swrast_tri_func) NULL;
if (osmesa->format != OSMESA_RGBA &&
osmesa->format != OSMESA_BGRA &&
- osmesa->format != OSMESA_ARGB) return (swrast_tri_func) NULL;
- if (ctx->Polygon.CullFlag &&
- ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
- return (swrast_tri_func) NULL;
+ osmesa->format != OSMESA_ARGB) {
+ return NULL;
+ }
+
+ if (ctx->Polygon.CullFlag &&
+ ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK) {
+ return NULL;
+ }
if (swrast->_RasterMask == DEPTH_BIT &&
ctx->Depth.Func == GL_LESS &&
ctx->Depth.Mask == GL_TRUE &&
ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS) {
if (ctx->Light.ShadeModel == GL_SMOOTH) {
- return (swrast_tri_func) smooth_rgba_z_triangle;
+ return smooth_rgba_z_triangle;
}
else {
- return (swrast_tri_func) flat_rgba_z_triangle;
+ return flat_rgba_z_triangle;
}
}
- return (swrast_tri_func) NULL;
+
+ return NULL;
}
compute_row_addresses( OSMesaContext osmesa )
{
GLint bytesPerRow, i;
- GLubyte *origin = (GLubyte *) osmesa->rb->Data;
+ GLubyte *origin = (GLubyte *) osmesa->srb->Buffer;
GLint rowlength; /* in pixels */
- GLint height = osmesa->rb->Height;
+ GLint height = osmesa->srb->Base.Height;
if (osmesa->userRowLength)
rowlength = osmesa->userRowLength;
else
- rowlength = osmesa->rb->Width;
+ rowlength = osmesa->srb->Base.Width;
- bytesPerRow = rowlength * _mesa_get_format_bytes(osmesa->rb->Format);
+ bytesPerRow = rowlength * _mesa_get_format_bytes(osmesa->srb->Base.Format);
if (osmesa->yup) {
/* Y=0 is bottom line of window */
/**
- * Don't use _mesa_delete_renderbuffer since we can't free rb->Data.
+ * Don't use _mesa_delete_renderbuffer since we can't free rb->Buffer.
*/
static void
-osmesa_delete_renderbuffer(struct gl_renderbuffer *rb)
+osmesa_delete_renderbuffer(struct gl_context *ctx, struct gl_renderbuffer *rb)
{
- free(rb);
+ _mesa_delete_renderbuffer(ctx, rb);
}
* XXX The 8-bit/channel formats should all be OK.
*/
if (osmesa->format == OSMESA_RGBA) {
- if (rb->DataType == GL_UNSIGNED_BYTE) {
+ if (osmesa->DataType == GL_UNSIGNED_BYTE) {
if (_mesa_little_endian())
- rb->Format = MESA_FORMAT_RGBA8888_REV;
+ rb->Format = MESA_FORMAT_R8G8B8A8_UNORM;
else
- rb->Format = MESA_FORMAT_RGBA8888;
+ rb->Format = MESA_FORMAT_A8B8G8R8_UNORM;
}
- else if (rb->DataType == GL_UNSIGNED_SHORT) {
- rb->Format = MESA_FORMAT_RGBA_16;
+ else if (osmesa->DataType == GL_UNSIGNED_SHORT) {
+ rb->Format = MESA_FORMAT_RGBA_UNORM16;
}
else {
rb->Format = MESA_FORMAT_RGBA_FLOAT32;
}
}
else if (osmesa->format == OSMESA_BGRA) {
- if (rb->DataType == GL_UNSIGNED_BYTE) {
+ if (osmesa->DataType == GL_UNSIGNED_BYTE) {
if (_mesa_little_endian())
- rb->Format = MESA_FORMAT_ARGB8888;
+ rb->Format = MESA_FORMAT_B8G8R8A8_UNORM;
else
- rb->Format = MESA_FORMAT_ARGB8888_REV;
+ rb->Format = MESA_FORMAT_A8R8G8B8_UNORM;
}
- else if (rb->DataType == GL_UNSIGNED_SHORT) {
+ else if (osmesa->DataType == GL_UNSIGNED_SHORT) {
_mesa_warning(ctx, "Unsupported OSMesa format BGRA/GLushort");
- rb->Format = MESA_FORMAT_RGBA_16; /* not exactly right */
+ rb->Format = MESA_FORMAT_RGBA_UNORM16; /* not exactly right */
}
else {
_mesa_warning(ctx, "Unsupported OSMesa format BGRA/GLfloat");
}
}
else if (osmesa->format == OSMESA_ARGB) {
- if (rb->DataType == GL_UNSIGNED_BYTE) {
+ if (osmesa->DataType == GL_UNSIGNED_BYTE) {
if (_mesa_little_endian())
- rb->Format = MESA_FORMAT_ARGB8888_REV;
+ rb->Format = MESA_FORMAT_A8R8G8B8_UNORM;
else
- rb->Format = MESA_FORMAT_ARGB8888;
+ rb->Format = MESA_FORMAT_B8G8R8A8_UNORM;
}
- else if (rb->DataType == GL_UNSIGNED_SHORT) {
+ else if (osmesa->DataType == GL_UNSIGNED_SHORT) {
_mesa_warning(ctx, "Unsupported OSMesa format ARGB/GLushort");
- rb->Format = MESA_FORMAT_RGBA_16; /* not exactly right */
+ rb->Format = MESA_FORMAT_RGBA_UNORM16; /* not exactly right */
}
else {
_mesa_warning(ctx, "Unsupported OSMesa format ARGB/GLfloat");
}
}
else if (osmesa->format == OSMESA_RGB) {
- if (rb->DataType == GL_UNSIGNED_BYTE) {
- rb->Format = MESA_FORMAT_RGB888;
+ if (osmesa->DataType == GL_UNSIGNED_BYTE) {
+ rb->Format = MESA_FORMAT_BGR_UNORM8;
}
- else if (rb->DataType == GL_UNSIGNED_SHORT) {
+ else if (osmesa->DataType == GL_UNSIGNED_SHORT) {
_mesa_warning(ctx, "Unsupported OSMesa format RGB/GLushort");
- rb->Format = MESA_FORMAT_RGBA_16; /* not exactly right */
+ rb->Format = MESA_FORMAT_RGBA_UNORM16; /* not exactly right */
}
else {
_mesa_warning(ctx, "Unsupported OSMesa format RGB/GLfloat");
}
}
else if (osmesa->format == OSMESA_BGR) {
- if (rb->DataType == GL_UNSIGNED_BYTE) {
- rb->Format = MESA_FORMAT_BGR888;
+ if (osmesa->DataType == GL_UNSIGNED_BYTE) {
+ rb->Format = MESA_FORMAT_RGB_UNORM8;
}
- else if (rb->DataType == GL_UNSIGNED_SHORT) {
+ else if (osmesa->DataType == GL_UNSIGNED_SHORT) {
_mesa_warning(ctx, "Unsupported OSMesa format BGR/GLushort");
- rb->Format = MESA_FORMAT_RGBA_16; /* not exactly right */
+ rb->Format = MESA_FORMAT_RGBA_UNORM16; /* not exactly right */
}
else {
_mesa_warning(ctx, "Unsupported OSMesa format BGR/GLfloat");
}
}
else if (osmesa->format == OSMESA_RGB_565) {
- ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
- rb->Format = MESA_FORMAT_RGB565;
+ ASSERT(osmesa->DataType == GL_UNSIGNED_BYTE);
+ rb->Format = MESA_FORMAT_B5G6R5_UNORM;
}
else {
_mesa_problem(ctx, "bad pixel format in osmesa renderbuffer_storage");
/**
* Allocate a new renderbuffer to describe the user-provided color buffer.
*/
-static struct gl_renderbuffer *
+static struct swrast_renderbuffer *
new_osmesa_renderbuffer(struct gl_context *ctx, GLenum format, GLenum type)
{
const GLuint name = 0;
- struct gl_renderbuffer *rb = _mesa_new_renderbuffer(ctx, name);
- if (rb) {
- rb->RefCount = 1;
- rb->Delete = osmesa_delete_renderbuffer;
- rb->AllocStorage = osmesa_renderbuffer_storage;
- rb->ClassID = OSMESA_RENDERBUFFER_CLASS;
-
- rb->InternalFormat = GL_RGBA;
- rb->_BaseFormat = GL_RGBA;
- rb->DataType = type;
+ struct swrast_renderbuffer *srb = CALLOC_STRUCT(swrast_renderbuffer);
+
+ if (srb) {
+ _mesa_init_renderbuffer(&srb->Base, name);
+
+ srb->Base.ClassID = OSMESA_RENDERBUFFER_CLASS;
+ srb->Base.RefCount = 1;
+ srb->Base.Delete = osmesa_delete_renderbuffer;
+ srb->Base.AllocStorage = osmesa_renderbuffer_storage;
+
+ srb->Base.InternalFormat = GL_RGBA;
+ srb->Base._BaseFormat = GL_RGBA;
+
+ return srb;
}
- return rb;
+ return NULL;
}
if (rb->ClassID == OSMESA_RENDERBUFFER_CLASS) {
/* this is an OSMesa renderbuffer which wraps user memory */
+ struct swrast_renderbuffer *srb = swrast_renderbuffer(rb);
const GLuint bpp = _mesa_get_format_bytes(rb->Format);
GLint rowStride; /* in bytes */
*rowStrideOut = rowStride;
}
- *mapOut = (GLubyte *) rb->Data + y * rowStride + x * bpp;
+ *mapOut = (GLubyte *) srb->Buffer + y * rowStride + x * bpp;
}
else {
_swrast_map_soft_renderbuffer(ctx, rb, x, y, w, h, mode,
/* override with our functions */
functions.GetString = get_string;
functions.UpdateState = osmesa_update_state;
- functions.GetBufferSize = NULL;
if (!_mesa_initialize_context(&osmesa->mesa,
- API_OPENGL,
+ API_OPENGL_COMPAT,
osmesa->gl_visual,
sharelist ? &sharelist->mesa
: (struct gl_context *) NULL,
- &functions, (void *) osmesa)) {
+ &functions)) {
_mesa_destroy_visual( osmesa->gl_visual );
free(osmesa);
return NULL;
}
_mesa_enable_sw_extensions(&(osmesa->mesa));
- _mesa_enable_1_3_extensions(&(osmesa->mesa));
- _mesa_enable_1_4_extensions(&(osmesa->mesa));
- _mesa_enable_1_5_extensions(&(osmesa->mesa));
- _mesa_enable_2_0_extensions(&(osmesa->mesa));
- _mesa_enable_2_1_extensions(&(osmesa->mesa));
osmesa->gl_buffer = _mesa_create_framebuffer(osmesa->gl_visual);
if (!osmesa->gl_buffer) {
ctx->Driver.MapRenderbuffer = osmesa_MapRenderbuffer;
ctx->Driver.UnmapRenderbuffer = osmesa_UnmapRenderbuffer;
+ ctx->Driver.GenerateMipmap = _mesa_generate_mipmap;
+
/* 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;
+
+ _mesa_compute_version(ctx);
+
+ /* Exec table initialization requires the version to be computed */
+ _mesa_initialize_dispatch_tables(ctx);
+ _mesa_initialize_vbo_vtxfmt(ctx);
}
}
return osmesa;
OSMesaDestroyContext( OSMesaContext osmesa )
{
if (osmesa) {
- if (osmesa->rb)
- _mesa_reference_renderbuffer(&osmesa->rb, NULL);
+ if (osmesa->srb)
+ _mesa_reference_renderbuffer((struct gl_renderbuffer **) &osmesa->srb, NULL);
_mesa_meta_free( &osmesa->mesa );
{
if (!osmesa || !buffer ||
width < 1 || height < 1 ||
- width > MAX_WIDTH || height > MAX_HEIGHT) {
+ width > SWRAST_MAX_WIDTH || height > SWRAST_MAX_HEIGHT) {
return GL_FALSE;
}
* that converts rendering from CHAN_BITS to the user-requested channel
* size.
*/
- if (!osmesa->rb) {
- osmesa->rb = new_osmesa_renderbuffer(&osmesa->mesa, osmesa->format, type);
+ if (!osmesa->srb) {
+ osmesa->srb = new_osmesa_renderbuffer(&osmesa->mesa, osmesa->format, type);
_mesa_remove_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT);
- _mesa_add_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT, osmesa->rb);
- assert(osmesa->rb->RefCount == 2);
+ _mesa_add_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT,
+ &osmesa->srb->Base);
+ assert(osmesa->srb->Base.RefCount == 2);
}
+ osmesa->DataType = type;
+
/* Set renderbuffer fields. Set width/height = 0 to force
* osmesa_renderbuffer_storage() being called by _mesa_resize_framebuffer()
*/
- osmesa->rb->Data = buffer;
- osmesa->rb->Width = osmesa->rb->Height = 0;
+ osmesa->srb->Buffer = buffer;
+ osmesa->srb->Base.Width = osmesa->srb->Base.Height = 0;
/* Set the framebuffer's size. This causes the
* osmesa_renderbuffer_storage() function to get called.
*/
_mesa_resize_framebuffer(&osmesa->mesa, osmesa->gl_buffer, width, height);
- osmesa->gl_buffer->Initialized = GL_TRUE; /* XXX TEMPORARY? */
_mesa_make_current( &osmesa->mesa, osmesa->gl_buffer, osmesa->gl_buffer );
* renderbuffer adaptor/wrapper if needed (for bpp conversion).
*/
_mesa_remove_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT);
- _mesa_add_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT, osmesa->rb);
+ _mesa_add_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT,
+ &osmesa->srb->Base);
/* this updates the visual's red/green/blue/alphaBits fields */
return;
case OSMESA_TYPE:
/* current color buffer's data type */
- if (osmesa->rb) {
- *value = osmesa->rb->DataType;
- }
- else {
- *value = 0;
- }
+ *value = osmesa->DataType;
return;
case OSMESA_ROW_LENGTH:
*value = osmesa->userRowLength;
*value = osmesa->yup;
return;
case OSMESA_MAX_WIDTH:
- *value = MAX_WIDTH;
+ *value = SWRAST_MAX_WIDTH;
return;
case OSMESA_MAX_HEIGHT:
- *value = MAX_HEIGHT;
+ *value = SWRAST_MAX_HEIGHT;
return;
default:
_mesa_error(&osmesa->mesa, GL_INVALID_ENUM, "OSMesaGetIntergerv(pname)");
OSMesaGetDepthBuffer( OSMesaContext c, GLint *width, GLint *height,
GLint *bytesPerValue, void **buffer )
{
- struct gl_renderbuffer *rb = NULL;
+ struct swrast_renderbuffer *srb = NULL;
if (c->gl_buffer)
- rb = c->gl_buffer->Attachment[BUFFER_DEPTH].Renderbuffer;
+ srb = swrast_renderbuffer(c->gl_buffer->
+ Attachment[BUFFER_DEPTH].Renderbuffer);
- if (!rb || !rb->Data) {
+ if (!srb || !srb->Buffer) {
*width = 0;
*height = 0;
*bytesPerValue = 0;
return GL_FALSE;
}
else {
- *width = rb->Width;
- *height = rb->Height;
+ *width = srb->Base.Width;
+ *height = srb->Base.Height;
if (c->gl_visual->depthBits <= 16)
*bytesPerValue = sizeof(GLushort);
else
*bytesPerValue = sizeof(GLuint);
- *buffer = rb->Data;
+ *buffer = (void *) srb->Buffer;
return GL_TRUE;
}
}
OSMesaGetColorBuffer( OSMesaContext osmesa, GLint *width,
GLint *height, GLint *format, void **buffer )
{
- if (osmesa->rb && osmesa->rb->Data) {
- *width = osmesa->rb->Width;
- *height = osmesa->rb->Height;
+ if (osmesa->srb && osmesa->srb->Buffer) {
+ *width = osmesa->srb->Base.Width;
+ *height = osmesa->srb->Base.Height;
*format = osmesa->format;
- *buffer = osmesa->rb->Data;
+ *buffer = (void *) osmesa->srb->Buffer;
return GL_TRUE;
}
else {
{ "OSMesaGetColorBuffer", (OSMESAproc) OSMesaGetColorBuffer },
{ "OSMesaGetProcAddress", (OSMESAproc) OSMesaGetProcAddress },
{ "OSMesaColorClamp", (OSMESAproc) OSMesaColorClamp },
+ { "OSMesaPostprocess", (OSMESAproc) OSMesaPostprocess },
{ NULL, NULL }
};
}
+GLAPI void GLAPIENTRY
+OSMesaPostprocess(OSMesaContext osmesa, const char *filter,
+ unsigned enable_value)
+{
+ fprintf(stderr,
+ "OSMesaPostProcess() is only available with gallium drivers\n");
+}
+
+
+
/**
* When GLX_INDIRECT_RENDERING is defined, some symbols are missing in
* libglapi.a. We need to define them here.