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Diffstat (limited to 'src/mesa/main/texstate.c')
-rw-r--r--src/mesa/main/texstate.c143
1 files changed, 114 insertions, 29 deletions
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index daf579a7bfc..4bd9895cd5c 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -312,10 +312,20 @@ calculate_derived_texenv( struct gl_tex_env_combine_state *state,
void GLAPIENTRY
_mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
{
+ GLuint maxUnit;
GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ struct gl_texture_unit *texUnit;
ASSERT_OUTSIDE_BEGIN_END(ctx);
+ maxUnit = (target == GL_POINT_SPRITE_NV && pname == GL_COORD_REPLACE_NV)
+ ? ctx->Const.MaxTextureCoordUnits : ctx->Const.MaxTextureImageUnits;
+ if (ctx->Texture.CurrentUnit >= maxUnit) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glTexEnvfv(current unit)");
+ return;
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+
#define TE_ERROR(errCode, msg, value) \
_mesa_error(ctx, errCode, msg, _mesa_lookup_enum_by_nr(value));
@@ -795,10 +805,20 @@ _mesa_TexEnviv( GLenum target, GLenum pname, const GLint *param )
void GLAPIENTRY
_mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
{
+ GLuint maxUnit;
+ const struct gl_texture_unit *texUnit;
GET_CURRENT_CONTEXT(ctx);
- const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
ASSERT_OUTSIDE_BEGIN_END(ctx);
+ maxUnit = (target == GL_POINT_SPRITE_NV && pname == GL_COORD_REPLACE_NV)
+ ? ctx->Const.MaxTextureCoordUnits : ctx->Const.MaxTextureImageUnits;
+ if (ctx->Texture.CurrentUnit >= maxUnit) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexEnvfv(current unit)");
+ return;
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+
if (target == GL_TEXTURE_ENV) {
switch (pname) {
case GL_TEXTURE_ENV_MODE:
@@ -1006,10 +1026,20 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
void GLAPIENTRY
_mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
{
+ GLuint maxUnit;
+ const struct gl_texture_unit *texUnit;
GET_CURRENT_CONTEXT(ctx);
- const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
ASSERT_OUTSIDE_BEGIN_END(ctx);
+ maxUnit = (target == GL_POINT_SPRITE_NV && pname == GL_COORD_REPLACE_NV)
+ ? ctx->Const.MaxTextureCoordUnits : ctx->Const.MaxTextureImageUnits;
+ if (ctx->Texture.CurrentUnit >= maxUnit) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexEnviv(current unit)");
+ return;
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+
if (target == GL_TEXTURE_ENV) {
switch (pname) {
case GL_TEXTURE_ENV_MODE:
@@ -1264,10 +1294,10 @@ _mesa_TexParameterf( GLenum target, GLenum pname, GLfloat param )
void GLAPIENTRY
_mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- GLenum eparam = (GLenum) (GLint) params[0];
+ const GLenum eparam = (GLenum) (GLint) params[0];
+ struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE))
@@ -1277,6 +1307,12 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
*params,
_mesa_lookup_enum_by_nr(eparam));
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glTexParameterfv(current unit)");
+ return;
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
switch (target) {
case GL_TEXTURE_1D:
@@ -1662,14 +1698,22 @@ void GLAPIENTRY
_mesa_GetTexLevelParameteriv( GLenum target, GLint level,
GLenum pname, GLint *params )
{
- GET_CURRENT_CONTEXT(ctx);
- const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ const struct gl_texture_unit *texUnit;
const struct gl_texture_image *img = NULL;
GLuint dimensions;
GLboolean isProxy;
GLint maxLevels;
+ GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetTexLevelParameteriv(current unit)");
+ return;
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+
/* this will catch bad target values */
dimensions = tex_image_dimensions(ctx, target); /* 1, 2 or 3 */
if (dimensions == 0) {
@@ -1884,11 +1928,19 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
void GLAPIENTRY
_mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ struct gl_texture_unit *texUnit;
struct gl_texture_object *obj;
+ GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetTexParameterfv(current unit)");
+ return;
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+
obj = _mesa_select_tex_object(ctx, texUnit, target);
if (!obj) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(target)");
@@ -2008,11 +2060,19 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
void GLAPIENTRY
_mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ struct gl_texture_unit *texUnit;
struct gl_texture_object *obj;
+ GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetTexParameteriv(current unit)");
+ return;
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+
obj = _mesa_select_tex_object(ctx, texUnit, target);
if (!obj) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(target)");
@@ -2146,8 +2206,7 @@ void GLAPIENTRY
_mesa_TexGenfv( GLenum coord, GLenum pname, const GLfloat *params )
{
GET_CURRENT_CONTEXT(ctx);
- GLuint tUnit = ctx->Texture.CurrentUnit;
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit];
+ struct gl_texture_unit *texUnit;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE))
@@ -2157,6 +2216,13 @@ _mesa_TexGenfv( GLenum coord, GLenum pname, const GLfloat *params )
*params,
_mesa_lookup_enum_by_nr((GLenum) (GLint) *params));
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glTexGen(current unit)");
+ return;
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+
switch (coord) {
case GL_S:
if (pname==GL_TEXTURE_GEN_MODE) {
@@ -2428,11 +2494,17 @@ _mesa_TexGeni( GLenum coord, GLenum pname, GLint param )
void GLAPIENTRY
_mesa_GetTexGendv( GLenum coord, GLenum pname, GLdouble *params )
{
+ const struct gl_texture_unit *texUnit;
GET_CURRENT_CONTEXT(ctx);
- GLuint tUnit = ctx->Texture.CurrentUnit;
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit];
ASSERT_OUTSIDE_BEGIN_END(ctx);
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexGendv(current unit)");
+ return;
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+
switch (coord) {
case GL_S:
if (pname==GL_TEXTURE_GEN_MODE) {
@@ -2505,11 +2577,17 @@ _mesa_GetTexGendv( GLenum coord, GLenum pname, GLdouble *params )
void GLAPIENTRY
_mesa_GetTexGenfv( GLenum coord, GLenum pname, GLfloat *params )
{
+ const struct gl_texture_unit *texUnit;
GET_CURRENT_CONTEXT(ctx);
- GLuint tUnit = ctx->Texture.CurrentUnit;
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit];
ASSERT_OUTSIDE_BEGIN_END(ctx);
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexGenfv(current unit)");
+ return;
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+
switch (coord) {
case GL_S:
if (pname==GL_TEXTURE_GEN_MODE) {
@@ -2582,11 +2660,17 @@ _mesa_GetTexGenfv( GLenum coord, GLenum pname, GLfloat *params )
void GLAPIENTRY
_mesa_GetTexGeniv( GLenum coord, GLenum pname, GLint *params )
{
+ const struct gl_texture_unit *texUnit;
GET_CURRENT_CONTEXT(ctx);
- GLuint tUnit = ctx->Texture.CurrentUnit;
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit];
ASSERT_OUTSIDE_BEGIN_END(ctx);
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexGeniv(current unit)");
+ return;
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+
switch (coord) {
case GL_S:
if (pname==GL_TEXTURE_GEN_MODE) {
@@ -2679,21 +2763,22 @@ _mesa_GetTexGeniv( GLenum coord, GLenum pname, GLint *params )
}
#endif
+
/* GL_ARB_multitexture */
void GLAPIENTRY
-_mesa_ActiveTextureARB( GLenum target )
+_mesa_ActiveTextureARB(GLenum texture)
{
GET_CURRENT_CONTEXT(ctx);
- const GLuint texUnit = target - GL_TEXTURE0;
+ const GLuint texUnit = texture - GL_TEXTURE0;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
_mesa_debug(ctx, "glActiveTexture %s\n",
- _mesa_lookup_enum_by_nr(target));
+ _mesa_lookup_enum_by_nr(texture));
- /* Cater for texture unit 0 is first, therefore use >= */
+ /* XXX error-check against max(coordunits, imageunits) */
if (texUnit >= ctx->Const.MaxTextureUnits) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glActiveTexture(target)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glActiveTexture(texture)");
return;
}
@@ -2716,14 +2801,14 @@ _mesa_ActiveTextureARB( GLenum target )
/* GL_ARB_multitexture */
void GLAPIENTRY
-_mesa_ClientActiveTextureARB( GLenum target )
+_mesa_ClientActiveTextureARB(GLenum texture)
{
GET_CURRENT_CONTEXT(ctx);
- GLuint texUnit = target - GL_TEXTURE0;
+ GLuint texUnit = texture - GL_TEXTURE0;
ASSERT_OUTSIDE_BEGIN_END(ctx);
- if (texUnit >= ctx->Const.MaxTextureUnits) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glClientActiveTexture(target)");
+ if (texUnit >= ctx->Const.MaxTextureCoordUnits) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glClientActiveTexture(texture)");
return;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 16:29:05 +0000