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mesa: initial changes for GL_NV_texture_env_combine4

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This commit is contained in:
Brian Paul
2009-01-23 17:29:26 -07:00
parent ad338c14c2
commit f5d3027c0a
2 changed files with 9 additions and 10 deletions
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1
src/mesa/main/extensions.c
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@@ -155,6 +155,7 @@ static const struct {
{ OFF, "GL_NV_fragment_program", F(NV_fragment_program) },
{ ON, "GL_NV_light_max_exponent", F(NV_light_max_exponent) },
{ OFF, "GL_NV_point_sprite", F(NV_point_sprite) },
{ OFF, "GL_NV_texture_env_combine4", F(NV_texture_env_combine4) },
{ OFF, "GL_NV_texture_rectangle", F(NV_texture_rectangle) },
{ ON, "GL_NV_texgen_reflection", F(NV_texgen_reflection) },
{ OFF, "GL_NV_vertex_program", F(NV_vertex_program) },

18
src/mesa/main/mtypes.h
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@@ -1468,23 +1468,20 @@ struct gl_texture_object
/**
* Texture combine environment state.
*
* \todo
* If GL_NV_texture_env_combine4 is ever supported, the arrays in this
* structure will need to be expanded for 4 elements.
* Up to four combiner sources are possible with GL_NV_texture_env_combine4.
*/
struct gl_tex_env_combine_state
{
GLenum ModeRGB; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
GLenum ModeA; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
GLenum SourceRGB[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */
GLenum SourceA[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */
GLenum OperandRGB[3]; /**< SRC_COLOR, ONE_MINUS_SRC_COLOR, etc */
GLenum OperandA[3]; /**< SRC_ALPHA, ONE_MINUS_SRC_ALPHA, etc */
GLenum SourceRGB[4]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */
GLenum SourceA[4]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */
GLenum OperandRGB[4]; /**< SRC_COLOR, ONE_MINUS_SRC_COLOR, etc */
GLenum OperandA[4]; /**< SRC_ALPHA, ONE_MINUS_SRC_ALPHA, etc */
GLuint ScaleShiftRGB; /**< 0, 1 or 2 */
GLuint ScaleShiftA; /**< 0, 1 or 2 */
GLuint _NumArgsRGB; /**< Number of inputs used for the combine mode. */
GLuint _NumArgsA; /**< Number of inputs used for the combine mode. */
GLuint _NumArgsRGB; /**< Number of inputs used for the RGB combiner */
GLuint _NumArgsA; /**< Number of inputs used for the A combiner */
};
@@ -2649,6 +2646,7 @@ struct gl_extensions
GLboolean NV_light_max_exponent;
GLboolean NV_point_sprite;
GLboolean NV_texgen_reflection;
GLboolean NV_texture_env_combine4;
GLboolean NV_texture_rectangle;
GLboolean NV_vertex_program;
GLboolean NV_vertex_program1_1;