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infrastructure for GL_ARB_multisample

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This commit is contained in:
Brian Paul
2001-05-29 15:23:48 +00:00
parent 5ff1c613ea
commit 736fcbec47
11 changed files with 508 additions and 25 deletions
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3
src/mesa/glapi/glapi.c
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@@ -1,4 +1,4 @@
/* $Id: glapi.c,v 1.53 2001/03/28 17:39:12 brianp Exp $ */
/* $Id: glapi.c,v 1.54 2001/05/29 15:23:49 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -912,7 +912,6 @@ static struct name_address_offset static_functions[] = {
#else
#define NAME(X) (GLvoid *) NotImplemented
#endif
{ "glSamplePassARB", NAME(glSamplePassARB), _gloffset_SamplePassARB },
{ "glSampleCoverageARB", NAME(glSampleCoverageARB), _gloffset_SampleCoverageARB },
#undef NAME

43
src/mesa/main/attrib.c
View File

@@ -1,4 +1,4 @@
/* $Id: attrib.c,v 1.50 2001/05/03 14:11:18 brianp Exp $ */
/* $Id: attrib.c,v 1.51 2001/05/29 15:23:48 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -233,6 +233,11 @@ _mesa_PushAttrib(GLbitfield mask)
attr->RescaleNormals = ctx->Transform.RescaleNormals;
attr->Scissor = ctx->Scissor.Enabled;
attr->Stencil = ctx->Stencil.Enabled;
attr->MultisampleEnabled = ctx->Multisample.Enabled;
attr->SampleAlphaToCoverage = ctx->Multisample.SampleAlphaToCoverage;
attr->SampleAlphaToOne = ctx->Multisample.SampleAlphaToOne;
attr->SampleCoverage = ctx->Multisample.SampleCoverage;
attr->SampleCoverageInvert = ctx->Multisample.SampleCoverageInvert;
for (i=0; i<MAX_TEXTURE_UNITS; i++) {
attr->Texture[i] = ctx->Texture.Unit[i].Enabled;
attr->TexGen[i] = ctx->Texture.Unit[i].TexGenEnabled;
@@ -411,6 +416,17 @@ _mesa_PushAttrib(GLbitfield mask)
head = newnode;
}
/* GL_ARB_multisample */
if (mask & GL_MULTISAMPLE_BIT_ARB) {
struct gl_multisample_attrib *attr;
attr = MALLOC_STRUCT( gl_multisample_attrib );
MEMCPY( attr, &ctx->Multisample, sizeof(struct gl_multisample_attrib) );
newnode = new_attrib_node( GL_MULTISAMPLE_BIT_ARB );
newnode->data = attr;
newnode->next = head;
head = newnode;
}
ctx->AttribStack[ctx->AttribStackDepth] = head;
ctx->AttribStackDepth++;
}
@@ -506,6 +522,20 @@ pop_enable_group(GLcontext *ctx, const struct gl_enable_attrib *enable)
GL_POLYGON_STIPPLE);
TEST_AND_UPDATE(ctx->Scissor.Enabled, enable->Scissor, GL_SCISSOR_TEST);
TEST_AND_UPDATE(ctx->Stencil.Enabled, enable->Stencil, GL_STENCIL_TEST);
TEST_AND_UPDATE(ctx->Multisample.Enabled, enable->MultisampleEnabled,
GL_MULTISAMPLE_ARB);
TEST_AND_UPDATE(ctx->Multisample.SampleAlphaToCoverage,
enable->SampleAlphaToCoverage,
GL_SAMPLE_ALPHA_TO_COVERAGE_ARB);
TEST_AND_UPDATE(ctx->Multisample.SampleAlphaToOne,
enable->SampleAlphaToOne,
GL_SAMPLE_ALPHA_TO_ONE_ARB);
TEST_AND_UPDATE(ctx->Multisample.SampleCoverage,
enable->SampleCoverage,
GL_SAMPLE_COVERAGE_ARB);
TEST_AND_UPDATE(ctx->Multisample.SampleCoverageInvert,
enable->SampleCoverageInvert,
GL_SAMPLE_COVERAGE_INVERT_ARB);
#undef TEST_AND_UPDATE
/* texture unit enables */
@@ -993,11 +1023,20 @@ _mesa_PopAttrib(void)
case GL_VIEWPORT_BIT:
{
const struct gl_viewport_attrib *vp;
vp = (const struct gl_viewport_attrib *)attr->data;
vp = (const struct gl_viewport_attrib *) attr->data;
_mesa_Viewport(vp->X, vp->Y, vp->Width, vp->Height);
_mesa_DepthRange(vp->Near, vp->Far);
}
break;
case GL_MULTISAMPLE_BIT_ARB:
{
const struct gl_multisample_attrib *ms;
ms = (const struct gl_multisample_attrib *) attr->data;
_mesa_SampleCoverageARB(ms->SampleCoverageValue,
ms->SampleCoverageInvert);
}
break;
default:
_mesa_problem( ctx, "Bad attrib flag in PopAttrib");
break;

23
src/mesa/main/buffers.c
View File

@@ -1,4 +1,4 @@
/* $Id: buffers.c,v 1.28 2001/03/12 00:48:37 gareth Exp $ */
/* $Id: buffers.c,v 1.29 2001/05/29 15:23:48 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -370,3 +370,24 @@ _mesa_ResizeBuffersMESA( void )
ctx->Driver.ResizeBuffersMESA( ctx );
}
/*
* XXX move somewhere else someday?
*/
void
_mesa_SampleCoverageARB(GLclampf value, GLboolean invert)
{
GLcontext *ctx = _mesa_get_current_context();
if (!ctx->Extensions.ARB_multisample) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glSampleCoverageARB");
return;
}
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH( ctx );
ctx->Multisample.SampleCoverageValue = CLAMP(value, 0.0, 1.0);
ctx->Multisample.SampleCoverageInvert = invert;
ctx->NewState |= _NEW_MULTISAMPLE;
}

5
src/mesa/main/buffers.h
View File

@@ -1,4 +1,4 @@
/* $Id: buffers.h,v 1.3 2001/03/12 00:48:37 gareth Exp $ */
/* $Id: buffers.h,v 1.4 2001/05/29 15:23:48 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -51,5 +51,8 @@ _mesa_ReadBuffer( GLenum mode );
extern void
_mesa_ResizeBuffersMESA( void );
extern void
_mesa_SampleCoverageARB(GLclampf value, GLboolean invert);
#endif

10
src/mesa/main/context.c
View File

@@ -1,4 +1,4 @@
/* $Id: context.c,v 1.138 2001/05/21 16:41:03 brianp Exp $ */
/* $Id: context.c,v 1.139 2001/05/29 15:23:48 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -988,6 +988,14 @@ init_attrib_groups( GLcontext *ctx )
/* Display List group */
ctx->List.ListBase = 0;
/* Multisample */
ctx->Multisample.Enabled = GL_FALSE;
ctx->Multisample.SampleAlphaToCoverage = GL_FALSE;
ctx->Multisample.SampleAlphaToOne = GL_FALSE;
ctx->Multisample.SampleCoverage = GL_FALSE;
ctx->Multisample.SampleCoverageValue = 1.0;
ctx->Multisample.SampleCoverageInvert = GL_FALSE;
/* Pixel group */
ctx->Pixel.RedBias = 0.0;
ctx->Pixel.RedScale = 1.0;

30
src/mesa/main/dlist.c
View File

@@ -1,4 +1,4 @@
/* $Id: dlist.c,v 1.71 2001/05/14 08:57:36 keithw Exp $ */
/* $Id: dlist.c,v 1.72 2001/05/29 15:23:48 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -246,6 +246,8 @@ typedef enum {
OPCODE_COMPRESSED_TEX_SUB_IMAGE_1D,
OPCODE_COMPRESSED_TEX_SUB_IMAGE_2D,
OPCODE_COMPRESSED_TEX_SUB_IMAGE_3D,
/* GL_ARB_multisample */
OPCODE_SAMPLE_COVERAGE,
/* The following three are meta instructions */
OPCODE_ERROR, /* raise compiled-in error */
OPCODE_CONTINUE,
@@ -627,6 +629,8 @@ void _mesa_init_lists( void )
InstSize[OPCODE_COMPRESSED_TEX_SUB_IMAGE_1D] = 8;
InstSize[OPCODE_COMPRESSED_TEX_SUB_IMAGE_2D] = 10;
InstSize[OPCODE_COMPRESSED_TEX_SUB_IMAGE_3D] = 12;
/* GL_ARB_multisample */
InstSize[OPCODE_SAMPLE_COVERAGE] = 3;
/* GL_ARB_multitexture */
InstSize[OPCODE_ACTIVE_TEXTURE] = 2;
InstSize[OPCODE_CLIENT_ACTIVE_TEXTURE] = 2;
@@ -3887,6 +3891,24 @@ save_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
}
/* GL_ARB_multisample */
static void
save_SampleCoverageARB(GLclampf value, GLboolean invert)
{
GET_CURRENT_CONTEXT(ctx);
Node *n;
ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
n = ALLOC_INSTRUCTION( ctx, OPCODE_SAMPLE_COVERAGE, 2 );
if (n) {
n[1].f = value;
n[2].b = invert;
}
if (ctx->ExecuteFlag) {
(*ctx->Exec->SampleCoverageARB)( value, invert );
}
}
/* GL_SGIS_pixel_texture */
static void
@@ -4608,6 +4630,9 @@ execute_list( GLcontext *ctx, GLuint list )
n[4].i, n[5].i, n[6].i, n[7].i, n[8].i,
n[9].e, n[10].i, n[11].data);
break;
case OPCODE_SAMPLE_COVERAGE: /* GL_ARB_multisample */
(*ctx->Exec->SampleCoverageARB)(n[1].f, n[2].b);
break;
case OPCODE_CONTINUE:
n = (Node *) n[1].next;
break;
@@ -5870,6 +5895,9 @@ _mesa_init_dlist_table( struct _glapi_table *table, GLuint tableSize )
table->MultTransposeMatrixdARB = save_MultTransposeMatrixdARB;
table->MultTransposeMatrixfARB = save_MultTransposeMatrixfARB;
/* GL_ARB_multisample */
table->SampleCoverageARB = save_SampleCoverageARB;
/* ARB 12. GL_ARB_texture_compression */
table->CompressedTexImage3DARB = save_CompressedTexImage3DARB;
table->CompressedTexImage2DARB = save_CompressedTexImage2DARB;

101
src/mesa/main/enable.c
View File

@@ -1,4 +1,4 @@
/* $Id: enable.c,v 1.48 2001/03/29 21:16:25 keithw Exp $ */
/* $Id: enable.c,v 1.49 2001/05/29 15:23:48 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -733,6 +733,63 @@ void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state )
break;
/* GL_ARB_multisample */
case GL_MULTISAMPLE_ARB:
if (!ctx->Extensions.ARB_multisample) {
_mesa_error(ctx, GL_INVALID_ENUM, state ? "glEnable" : "glDisable");
return;
}
if (ctx->Multisample.Enabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
ctx->Multisample.Enabled = state;
ctx->NewState |= _NEW_MULTISAMPLE;
break;
case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB:
if (!ctx->Extensions.ARB_multisample) {
_mesa_error(ctx, GL_INVALID_ENUM, state ? "glEnable" : "glDisable");
return;
}
if (ctx->Multisample.SampleAlphaToCoverage == state)
return;
FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
ctx->Multisample.SampleAlphaToCoverage = state;
ctx->NewState |= _NEW_MULTISAMPLE;
break;
case GL_SAMPLE_ALPHA_TO_ONE_ARB:
if (!ctx->Extensions.ARB_multisample) {
_mesa_error(ctx, GL_INVALID_ENUM, state ? "glEnable" : "glDisable");
return;
}
if (ctx->Multisample.SampleAlphaToOne == state)
return;
FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
ctx->Multisample.SampleAlphaToOne = state;
ctx->NewState |= _NEW_MULTISAMPLE;
break;
case GL_SAMPLE_COVERAGE_ARB:
if (!ctx->Extensions.ARB_multisample) {
_mesa_error(ctx, GL_INVALID_ENUM, state ? "glEnable" : "glDisable");
return;
}
if (ctx->Multisample.SampleCoverage == state)
return;
FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
ctx->Multisample.SampleCoverage = state;
ctx->NewState |= _NEW_MULTISAMPLE;
break;
case GL_SAMPLE_COVERAGE_INVERT_ARB:
if (!ctx->Extensions.ARB_multisample) {
_mesa_error(ctx, GL_INVALID_ENUM, state ? "glEnable" : "glDisable");
return;
}
if (ctx->Multisample.SampleCoverageInvert == state)
return;
FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
ctx->Multisample.SampleCoverageInvert = state;
ctx->NewState |= _NEW_MULTISAMPLE;
break;
/* GL_MESA_sprite_point */
case GL_SPRITE_POINT_MESA:
if (!ctx->Extensions.MESA_sprite_point) {
@@ -993,6 +1050,48 @@ _mesa_IsEnabled( GLenum cap )
return GL_FALSE;
}
/* GL_ARB_multisample */
case GL_MULTISAMPLE_ARB:
if (ctx->Extensions.ARB_multisample) {
return ctx->Multisample.Enabled;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled");
return GL_FALSE;
}
case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB:
if (ctx->Extensions.ARB_multisample) {
return ctx->Multisample.SampleAlphaToCoverage;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled");
return GL_FALSE;
}
case GL_SAMPLE_ALPHA_TO_ONE_ARB:
if (ctx->Extensions.ARB_multisample) {
return ctx->Multisample.SampleAlphaToOne;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled");
return GL_FALSE;
}
case GL_SAMPLE_COVERAGE_ARB:
if (ctx->Extensions.ARB_multisample) {
return ctx->Multisample.SampleCoverage;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled");
return GL_FALSE;
}
case GL_SAMPLE_COVERAGE_INVERT_ARB:
if (ctx->Extensions.ARB_multisample) {
return ctx->Multisample.SampleCoverageInvert;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled");
return GL_FALSE;
}
/* GL_MESA_sprite_point */
case GL_SPRITE_POINT_MESA:
return ctx->Point.SpriteMode;

3
src/mesa/main/extensions.c
View File

@@ -1,4 +1,4 @@
/* $Id: extensions.c,v 1.60 2001/05/24 14:47:56 brianp Exp $ */
/* $Id: extensions.c,v 1.61 2001/05/29 15:23:49 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -57,6 +57,7 @@ static struct {
int flag_offset;
} default_extensions[] = {
{ OFF, "GL_ARB_imaging", F(ARB_imaging) },
{ OFF, "GL_ARB_multisample", F(ARB_multisample) },
{ OFF, "GL_ARB_multitexture", F(ARB_multitexture) },
{ OFF, "GL_ARB_texture_border_clamp", F(ARB_texture_border_clamp) },
{ OFF, "GL_ARB_texture_compression", F(ARB_texture_compression) },

266
src/mesa/main/get.c
View File

@@ -1,4 +1,4 @@
/* $Id: get.c,v 1.60 2001/05/21 16:41:03 brianp Exp $ */
/* $Id: get.c,v 1.61 2001/05/29 15:23:49 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -1269,6 +1269,72 @@ _mesa_GetBooleanv( GLenum pname, GLboolean *params )
}
break;
/* GL_ARB_multisample */
case GL_MULTISAMPLE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = ctx->Multisample.Enabled;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetBooleanv");
return;
}
case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = ctx->Multisample.SampleAlphaToCoverage;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetBooleanv");
return;
}
case GL_SAMPLE_ALPHA_TO_ONE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = ctx->Multisample.SampleAlphaToOne;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetBooleanv");
return;
}
case GL_SAMPLE_COVERAGE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = ctx->Multisample.SampleCoverage;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetBooleanv");
return;
}
case GL_SAMPLE_COVERAGE_VALUE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = FLOAT_TO_BOOL(ctx->Multisample.SampleCoverageValue);
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetBooleanv");
return;
}
case GL_SAMPLE_COVERAGE_INVERT_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = ctx->Multisample.SampleCoverageInvert;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetBooleanv");
return;
}
case GL_SAMPLE_BUFFERS_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = 0; /* XXX fix someday */
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetBooleanv");
return;
}
case GL_SAMPLES_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = 0; /* XXX fix someday */
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetBooleanv");
return;
}
/* GL_MESA_sprite_point */
case GL_SPRITE_POINT_MESA:
if (ctx->Extensions.MESA_sprite_point) {
@@ -2484,6 +2550,72 @@ _mesa_GetDoublev( GLenum pname, GLdouble *params )
}
break;
/* GL_ARB_multisample */
case GL_MULTISAMPLE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = (GLdouble) ctx->Multisample.Enabled;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetDoublev");
return;
}
case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = (GLdouble) ctx->Multisample.SampleAlphaToCoverage;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetDoublev");
return;
}
case GL_SAMPLE_ALPHA_TO_ONE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = (GLdouble) ctx->Multisample.SampleAlphaToOne;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetDoublev");
return;
}
case GL_SAMPLE_COVERAGE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = (GLdouble) ctx->Multisample.SampleCoverage;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetDoublev");
return;
}
case GL_SAMPLE_COVERAGE_VALUE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = ctx->Multisample.SampleCoverageValue;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetDoublev");
return;
}
case GL_SAMPLE_COVERAGE_INVERT_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = (GLdouble) ctx->Multisample.SampleCoverageInvert;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetDoublev");
return;
}
case GL_SAMPLE_BUFFERS_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = 0.0; /* XXX fix someday */
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetDoublev");
return;
}
case GL_SAMPLES_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = 0.0; /* XXX fix someday */
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetDoublev");
return;
}
/* GL_MESA_sprite_point */
case GL_SPRITE_POINT_MESA:
if (ctx->Extensions.MESA_sprite_point) {
@@ -3673,6 +3805,72 @@ _mesa_GetFloatv( GLenum pname, GLfloat *params )
}
break;
/* GL_ARB_multisample */
case GL_MULTISAMPLE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = (GLfloat) ctx->Multisample.Enabled;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetFloatv");
return;
}
case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = (GLfloat) ctx->Multisample.SampleAlphaToCoverage;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetFloatv");
return;
}
case GL_SAMPLE_ALPHA_TO_ONE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = (GLfloat) ctx->Multisample.SampleAlphaToOne;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetFloatv");
return;
}
case GL_SAMPLE_COVERAGE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = (GLfloat) ctx->Multisample.SampleCoverage;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetFloatv");
return;
}
case GL_SAMPLE_COVERAGE_VALUE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = ctx->Multisample.SampleCoverageValue;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetFloatv");
return;
}
case GL_SAMPLE_COVERAGE_INVERT_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = (GLfloat) ctx->Multisample.SampleCoverageInvert;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetFloatv");
return;
}
case GL_SAMPLE_BUFFERS_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = 0.0; /* XXX fix someday */
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetFloatv");
return;
}
case GL_SAMPLES_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = 0.0; /* XXX fix someday */
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetFloatv");
return;
}
/* GL_MESA_sprite_point */
case GL_SPRITE_POINT_MESA:
if (ctx->Extensions.MESA_sprite_point) {
@@ -4911,6 +5109,72 @@ _mesa_GetIntegerv( GLenum pname, GLint *params )
}
break;
/* GL_ARB_multisample */
case GL_MULTISAMPLE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = (GLint) ctx->Multisample.Enabled;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetIntegerv");
return;
}
case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = (GLint) ctx->Multisample.SampleAlphaToCoverage;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetIntegerv");
return;
}
case GL_SAMPLE_ALPHA_TO_ONE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = (GLint) ctx->Multisample.SampleAlphaToOne;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetIntegerv");
return;
}
case GL_SAMPLE_COVERAGE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = (GLint) ctx->Multisample.SampleCoverage;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetIntegerv");
return;
}
case GL_SAMPLE_COVERAGE_VALUE_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = (GLint) ctx->Multisample.SampleCoverageValue;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetIntegerv");
return;
}
case GL_SAMPLE_COVERAGE_INVERT_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = (GLint) ctx->Multisample.SampleCoverageInvert;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetIntegerv");
return;
}
case GL_SAMPLE_BUFFERS_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = 0; /* XXX fix someday */
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetIntegerv");
return;
}
case GL_SAMPLES_ARB:
if (ctx->Extensions.ARB_multisample) {
*params = 0; /* XXX fix someday */
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetIntegerv");
return;
}
/* GL_MESA_sprite_point */
case GL_SPRITE_POINT_MESA:
if (ctx->Extensions.MESA_sprite_point) {

22
src/mesa/main/mtypes.h
View File

@@ -1,4 +1,4 @@
/* $Id: mtypes.h,v 1.42 2001/05/21 16:41:03 brianp Exp $ */
/* $Id: mtypes.h,v 1.43 2001/05/29 15:23:49 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -375,6 +375,11 @@ struct gl_enable_attrib {
GLboolean RescaleNormals;
GLboolean Scissor;
GLboolean Stencil;
GLboolean MultisampleEnabled; /* GL_ARB_multisample */
GLboolean SampleAlphaToCoverage; /* GL_ARB_multisample */
GLboolean SampleAlphaToOne; /* GL_ARB_multisample */
GLboolean SampleCoverage; /* GL_ARB_multisample */
GLboolean SampleCoverageInvert; /* GL_ARB_multisample */
GLuint Texture[MAX_TEXTURE_UNITS];
GLuint TexGen[MAX_TEXTURE_UNITS];
};
@@ -524,6 +529,17 @@ struct gl_list_extensions {
GLuint nr_opcodes;
};
struct gl_multisample_attrib {
GLboolean Enabled;
GLboolean SampleAlphaToCoverage;
GLboolean SampleAlphaToOne;
GLboolean SampleCoverage;
GLfloat SampleCoverageValue;
GLboolean SampleCoverageInvert;
};
struct gl_pixel_attrib {
GLenum ReadBuffer; /* src buffer for glRead/CopyPixels */
GLenum DriverReadBuffer; /* Driver's current source buffer */
@@ -1175,6 +1191,7 @@ struct gl_extensions {
* Not every extension needs to have such a flag, but it's encouraged.
*/
GLboolean ARB_imaging;
GLboolean ARB_multisample;
GLboolean ARB_multitexture;
GLboolean ARB_texture_border_clamp;
GLboolean ARB_texture_compression;
@@ -1287,7 +1304,7 @@ struct gl_extensions {
#define _NEW_ARRAY 0x400000 /* ctx->Array */
#define _NEW_RENDERMODE 0x800000 /* RenderMode, Feedback, Select */
#define _NEW_BUFFERS 0x1000000 /* ctx->Visual, ctx->DrawBuffer, */
#define _NEW_MULTISAMPLE 0x2000000 /* ctx->Multisample */
#define _NEW_ALL ~0
@@ -1482,6 +1499,7 @@ struct __GLcontextRec {
struct gl_light_attrib Light;
struct gl_line_attrib Line;
struct gl_list_attrib List;
struct gl_multisample_attrib Multisample;
struct gl_pixel_attrib Pixel;
struct gl_point_attrib Point;
struct gl_polygon_attrib Polygon;

5
src/mesa/main/state.c
View File

@@ -1,4 +1,4 @@
/* $Id: state.c,v 1.65 2001/05/10 15:42:43 keithw Exp $ */
/* $Id: state.c,v 1.66 2001/05/29 15:23:49 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -475,6 +475,9 @@ _mesa_init_exec_table(struct _glapi_table *exec, GLuint tableSize)
exec->MultTransposeMatrixdARB = _mesa_MultTransposeMatrixdARB;
exec->MultTransposeMatrixfARB = _mesa_MultTransposeMatrixfARB;
/* ARB 5. GL_ARB_multisample */
exec->SampleCoverageARB = _mesa_SampleCoverageARB;
/* ARB 12. GL_ARB_texture_compression */
exec->CompressedTexImage3DARB = _mesa_CompressedTexImage3DARB;
exec->CompressedTexImage2DARB = _mesa_CompressedTexImage2DARB;