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Trivial changes to add support for GL_ARB_point_sprite, which is a

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subset of GL_NV_point_sprite (which was already supported).
This commit is contained in:
Ian Romanick
2003-08-23 00:12:46 +00:00
parent 3baefe663b
commit 6373672367
9 changed files with 70 additions and 42 deletions
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5
src/mesa/main/attrib.c
View File

@@ -502,7 +502,7 @@ pop_enable_group(GLcontext *ctx, const struct gl_enable_attrib *enable)
GL_POINT_SMOOTH);
TEST_AND_UPDATE(ctx->Point.SmoothFlag, enable->PointSmooth,
GL_POINT_SMOOTH);
if (ctx->Extensions.NV_point_sprite) {
if (ctx->Extensions.NV_point_sprite || ctx->Extensions.ARB_point_sprite) {
TEST_AND_UPDATE(ctx->Point.PointSprite, enable->PointSprite,
GL_POINT_SPRITE_NV);
}
@@ -998,7 +998,8 @@ _mesa_PopAttrib(void)
_mesa_PointParameterfEXT(GL_POINT_FADE_THRESHOLD_SIZE_EXT,
point->Threshold);
}
if (ctx->Extensions.NV_point_sprite) {
if (ctx->Extensions.NV_point_sprite
|| ctx->Extensions.ARB_point_sprite) {
GLuint u;
for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
_mesa_TexEnvi(GL_POINT_SPRITE_NV, GL_COORD_REPLACE_NV,

8
src/mesa/main/enable.c
View File

@@ -48,6 +48,12 @@
return; \
}
#define CHECK_EXTENSION2(EXT1, EXT2, CAP) \
if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
_mesa_error(ctx, GL_INVALID_ENUM, "gl%sClientState(0x%x)", \
state ? "Enable" : "Disable", CAP); \
return; \
}
static void
@@ -834,7 +840,7 @@ void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state )
/* GL_NV_point_sprite */
case GL_POINT_SPRITE_NV:
CHECK_EXTENSION(NV_point_sprite, cap);
CHECK_EXTENSION2(NV_point_sprite, ARB_point_sprite, cap);
if (ctx->Point.PointSprite == state)
return;
FLUSH_VERTICES(ctx, _NEW_POINT);

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

@@ -48,6 +48,7 @@ static const struct {
{ OFF, "GL_ARB_multitexture", F(ARB_multitexture) },
{ OFF, "GL_ARB_occlusion_query", F(ARB_occlusion_query) },
{ OFF, "GL_ARB_point_parameters", F(EXT_point_parameters) },
{ OFF, "GL_ARB_point_sprite", F(ARB_point_sprite) },
{ OFF, "GL_ARB_shadow", F(ARB_shadow) },
{ OFF, "GL_ARB_shadow_ambient", F(SGIX_shadow_ambient) },
{ OFF, "GL_ARB_texture_border_clamp", F(ARB_texture_border_clamp) },
@@ -161,6 +162,7 @@ _mesa_enable_sw_extensions(GLcontext *ctx)
#if FEATURE_ARB_occlusion_query
ctx->Extensions.ARB_occlusion_query = GL_TRUE;
#endif
ctx->Extensions.ARB_point_sprite = GL_TRUE;
ctx->Extensions.ARB_shadow = GL_TRUE;
ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;
ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
@@ -301,6 +303,7 @@ void
_mesa_enable_1_5_extensions(GLcontext *ctx)
{
ctx->Extensions.ARB_occlusion_query = GL_TRUE;
ctx->Extensions.ARB_point_sprite = GL_TRUE;
ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;
ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
ctx->Extensions.EXT_shadow_funcs = GL_TRUE;

56
src/mesa/main/get.c
View File

@@ -59,34 +59,43 @@
/* Check if named extension is enabled, if not generate error and return */
#define CHECK_EXTENSION_B(EXTNAME, PNAME) \
if (!ctx->Extensions.EXTNAME) { \
#define CHECK1(E1, str, PNAME) \
if (!ctx->Extensions.E1) { \
_mesa_error(ctx, GL_INVALID_VALUE, \
"glGetBooleanv(0x%x)", (int) PNAME); \
"glGet" str "v(0x%x)", (int) PNAME); \
return; \
}
#define CHECK2(E1, E2, str, PNAME) \
if (!ctx->Extensions.E1 && !ctx->Extensions.E2) { \
_mesa_error(ctx, GL_INVALID_VALUE, \
"glGet" str "v(0x%x)", (int) PNAME); \
return; \
}
#define CHECK_EXTENSION_B(EXTNAME, PNAME) \
CHECK1(EXTNAME, "Boolean", PNAME )
#define CHECK_EXTENSION_I(EXTNAME, PNAME) \
if (!ctx->Extensions.EXTNAME) { \
_mesa_error(ctx, GL_INVALID_VALUE, \
"glGetIntegerv(0x%x)", (int) PNAME); \
return; \
}
CHECK1(EXTNAME, "Integer", PNAME )
#define CHECK_EXTENSION_F(EXTNAME, PNAME) \
if (!ctx->Extensions.EXTNAME) { \
_mesa_error(ctx, GL_INVALID_VALUE, \
"glGetFloatv(0x%x)", (int) PNAME); \
return; \
}
CHECK1(EXTNAME, "Float", PNAME )
#define CHECK_EXTENSION_D(EXTNAME, PNAME) \
if (!ctx->Extensions.EXTNAME) { \
_mesa_error(ctx, GL_INVALID_VALUE, \
"glGetDoublev(0x%x)", (int) PNAME); \
return; \
}
CHECK1(EXTNAME, "Double", PNAME )
#define CHECK_EXTENSION2_B(EXT1, EXT2, PNAME) \
CHECK2(EXT1, EXT2, "Boolean", PNAME)
#define CHECK_EXTENSION2_I(EXT1, EXT2, PNAME) \
CHECK2(EXT1, EXT2, "Integer", PNAME)
#define CHECK_EXTENSION2_F(EXT1, EXT2, PNAME) \
CHECK2(EXT1, EXT2, "Float", PNAME)
#define CHECK_EXTENSION2_D(EXT1, EXT2, PNAME) \
CHECK2(EXT1, EXT2, "Double", PNAME)
@@ -1362,7 +1371,7 @@ _mesa_GetBooleanv( GLenum pname, GLboolean *params )
/* GL_NV_point_sprite */
case GL_POINT_SPRITE_NV:
CHECK_EXTENSION_B(NV_point_sprite, pname);
CHECK_EXTENSION2_B(NV_point_sprite, ARB_point_sprite, pname);
*params = ctx->Point.PointSprite;
break;
case GL_POINT_SPRITE_R_MODE_NV:
@@ -2903,11 +2912,11 @@ _mesa_GetDoublev( GLenum pname, GLdouble *params )
/* GL_NV_point_sprite */
case GL_POINT_SPRITE_NV:
CHECK_EXTENSION_B(NV_point_sprite, pname);
CHECK_EXTENSION2_D(NV_point_sprite, ARB_point_sprite, pname);
*params = (GLdouble) ctx->Point.PointSprite;
break;
case GL_POINT_SPRITE_R_MODE_NV:
CHECK_EXTENSION_B(NV_point_sprite, pname);
CHECK_EXTENSION_D(NV_point_sprite, pname);
*params = (GLdouble) ctx->Point.SpriteRMode;
break;
@@ -4418,7 +4427,7 @@ _mesa_GetFloatv( GLenum pname, GLfloat *params )
/* GL_NV_point_sprite */
case GL_POINT_SPRITE_NV:
CHECK_EXTENSION_F(NV_point_sprite, pname);
CHECK_EXTENSION2_F(NV_point_sprite, ARB_point_sprite, pname);
*params = (GLfloat) ctx->Point.PointSprite;
break;
case GL_POINT_SPRITE_R_MODE_NV:
@@ -5971,7 +5980,7 @@ _mesa_GetIntegerv( GLenum pname, GLint *params )
/* GL_NV_point_sprite */
case GL_POINT_SPRITE_NV:
CHECK_EXTENSION_I(NV_point_sprite, pname);
CHECK_EXTENSION2_I(NV_point_sprite, ARB_point_sprite, pname);
*params = (GLint) ctx->Point.PointSprite;
break;
case GL_POINT_SPRITE_R_MODE_NV:
@@ -6421,6 +6430,7 @@ _mesa_GetString( GLenum name )
ctx->Extensions.EXT_stencil_wrap &&
ctx->Extensions.SGIS_generate_mipmap) {
if (ctx->Extensions.ARB_occlusion_query &&
ctx->Extensions.ARB_point_sprite &&
ctx->Extensions.ARB_vertex_buffer_object &&
ctx->Extensions.ARB_texture_non_power_of_two &&
ctx->Extensions.EXT_shadow_funcs) {

9
src/mesa/main/mtypes.h
View File

@@ -559,7 +559,7 @@ struct gl_enable_attrib {
GLboolean VertexProgram;
GLboolean VertexProgramPointSize;
GLboolean VertexProgramTwoSide;
/* GL_NV_point_sprite */
/* GL_ARB_point_sprite / GL_NV_point_sprite */
GLboolean PointSprite;
};
@@ -846,9 +846,9 @@ struct gl_point_attrib {
GLfloat MinSize, MaxSize; /**< GL_EXT_point_parameters */
GLfloat Threshold; /**< GL_EXT_point_parameters */
GLboolean _Attenuated; /**< True if Params != [1, 0, 0] */
GLboolean PointSprite; /**< GL_NV_point_sprite */
GLboolean CoordReplace[MAX_TEXTURE_UNITS]; /**< GL_NV_point_sprite */
GLenum SpriteRMode; /**< GL_NV_point_sprite */
GLboolean PointSprite; /**< GL_NV_point_sprite / GL_NV_point_sprite */
GLboolean CoordReplace[MAX_TEXTURE_UNITS]; /**< GL_NV_point_sprite / GL_NV_point_sprite */
GLenum SpriteRMode; /**< GL_NV_point_sprite (only!) */
};
@@ -1739,6 +1739,7 @@ struct gl_extensions
GLboolean ARB_multisample;
GLboolean ARB_multitexture;
GLboolean ARB_occlusion_query;
GLboolean ARB_point_sprite;
GLboolean ARB_shadow;
GLboolean ARB_texture_border_clamp;
GLboolean ARB_texture_compression;

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

@@ -207,6 +207,10 @@ _mesa_PointParameterfvEXT( GLenum pname, const GLfloat *params)
}
break;
case GL_POINT_SPRITE_R_MODE_NV:
/* This is one area where ARB_point_sprite and NV_point_sprite
* differ. In ARB_point_sprite the POINT_SPRITE_R_MODE is
* always ZERO. NV_point_sprite adds the S and R modes.
*/
if (ctx->Extensions.NV_point_sprite) {
GLenum value = (GLenum) params[0];
if (value != GL_ZERO && value != GL_S && value != GL_R) {
@@ -260,9 +264,9 @@ void _mesa_init_point( GLcontext * ctx )
ctx->Point.MinSize = 0.0;
ctx->Point.MaxSize = ctx->Const.MaxPointSize;
ctx->Point.Threshold = 1.0;
ctx->Point.PointSprite = GL_FALSE; /* GL_NV_point_sprite */
ctx->Point.SpriteRMode = GL_ZERO; /* GL_NV_point_sprite */
ctx->Point.PointSprite = GL_FALSE; /* GL_ARB_point_sprite / GL_NV_point_sprite */
ctx->Point.SpriteRMode = GL_ZERO; /* GL_NV_point_sprite (only!) */
for (i = 0; i < MAX_TEXTURE_UNITS; i++) {
ctx->Point.CoordReplace[i] = GL_FALSE; /* GL_NV_point_sprite */
ctx->Point.CoordReplace[i] = GL_FALSE; /* GL_ARB_point_sprite / GL_NV_point_sprite */
}
}

15
src/mesa/main/texstate.c
View File

@@ -534,8 +534,9 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
}
}
else if (target == GL_POINT_SPRITE_NV) {
/* GL_NV_point_sprite */
if (!ctx->Extensions.NV_point_sprite) {
/* GL_ARB_point_sprite / GL_NV_point_sprite */
if (!ctx->Extensions.NV_point_sprite
&& !ctx->Extensions.ARB_point_sprite) {
_mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(target=0x%x)", target );
return;
}
@@ -806,8 +807,9 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
}
}
else if (target == GL_POINT_SPRITE_NV) {
/* GL_NV_point_sprite */
if (!ctx->Extensions.NV_point_sprite) {
/* GL_ARB_point_sprite / GL_NV_point_sprite */
if (!ctx->Extensions.NV_point_sprite
&& !ctx->Extensions.ARB_point_sprite) {
_mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(target)" );
return;
}
@@ -1020,8 +1022,9 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
}
}
else if (target == GL_POINT_SPRITE_NV) {
/* GL_NV_point_sprite */
if (!ctx->Extensions.NV_point_sprite) {
/* GL_ARB_point_sprite / GL_NV_point_sprite */
if (!ctx->Extensions.NV_point_sprite
&& !ctx->Extensions.ARB_point_sprite) {
_mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(target)" );
return;
}

2
src/mesa/swrast/s_points.c
View File

@@ -199,7 +199,7 @@ _swrast_choose_point( GLcontext *ctx )
if (ctx->RenderMode==GL_RENDER) {
if (ctx->Point.PointSprite) {
/* GL_NV_point_sprite */
/* GL_ARB_point_sprite / GL_NV_point_sprite */
/* XXX this might not be good enough */
if (ctx->Point._Attenuated)
USE(atten_sprite_point);

2
src/mesa/swrast/s_pointtemp.h
View File

@@ -35,7 +35,7 @@
* SPECULAR = do separate specular color
* LARGE = do points with diameter > 1 pixel
* ATTENUATE = compute point size attenuation
* SPRITE = GL_NV_point_sprite
* SPRITE = GL_ARB_point_sprite / GL_NV_point_sprite
*
* Notes: LARGE and ATTENUATE are exclusive of each other.
* TEXTURE requires RGBA