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Diffstat (limited to 'mesalib/src/mesa/main/version.c')
-rw-r--r--mesalib/src/mesa/main/version.c200
1 files changed, 177 insertions, 23 deletions
diff --git a/mesalib/src/mesa/main/version.c b/mesalib/src/mesa/main/version.c
index a39b68065..5997ca00f 100644
--- a/mesalib/src/mesa/main/version.c
+++ b/mesalib/src/mesa/main/version.c
@@ -32,8 +32,11 @@
* Return major and minor version numbers.
*/
static void
-compute_version(const GLcontext *ctx, GLuint *major, GLuint *minor)
+compute_version(GLcontext *ctx)
{
+ GLuint major, minor;
+ static const int max = 100;
+
const GLboolean ver_1_3 = (ctx->Extensions.ARB_multisample &&
ctx->Extensions.ARB_multitexture &&
ctx->Extensions.ARB_texture_border_clamp &&
@@ -81,50 +84,201 @@ compute_version(const GLcontext *ctx, GLuint *major, GLuint *minor)
(ctx->Extensions.EXT_stencil_two_side
|| ctx->Extensions.ATI_separate_stencil));
const GLboolean ver_2_1 = (ver_2_0 &&
- ctx->Extensions.ARB_shading_language_120 &&
+ ctx->Const.GLSLVersion >= 120 &&
ctx->Extensions.EXT_pixel_buffer_object &&
ctx->Extensions.EXT_texture_sRGB);
- if (ver_2_1) {
- *major = 2;
- *minor = 1;
+ const GLboolean ver_3_0 = (ver_2_1 &&
+ ctx->Extensions.ARB_half_float_pixel &&
+ ctx->Extensions.ARB_map_buffer_range &&
+ ctx->Extensions.ARB_texture_float &&
+ ctx->Extensions.ARB_texture_rg &&
+ ctx->Extensions.APPLE_vertex_array_object &&
+ ctx->Extensions.EXT_draw_buffers2 &&
+ ctx->Extensions.EXT_framebuffer_blit &&
+ ctx->Extensions.EXT_framebuffer_multisample &&
+ ctx->Extensions.EXT_framebuffer_object &&
+ ctx->Extensions.EXT_framebuffer_sRGB &&
+ ctx->Extensions.EXT_packed_depth_stencil &&
+ ctx->Extensions.EXT_packed_float &&
+ ctx->Extensions.EXT_texture_array &&
+ ctx->Extensions.EXT_texture_compression_rgtc &&
+ ctx->Extensions.EXT_texture_integer &&
+ ctx->Extensions.EXT_texture_shared_exponent &&
+ ctx->Extensions.EXT_transform_feedback &&
+ ctx->Extensions.NV_conditional_render);
+ const GLboolean ver_3_1 = (ver_3_0 &&
+ ctx->Extensions.ARB_copy_buffer &&
+ ctx->Extensions.ARB_draw_instanced &&
+ ctx->Extensions.ARB_texture_buffer_object &&
+ ctx->Extensions.ARB_uniform_buffer_object &&
+ ctx->Extensions.NV_primitive_restart &&
+ ctx->Extensions.NV_texture_rectangle &&
+ ctx->Const.MaxVertexTextureImageUnits >= 16);
+ const GLboolean ver_3_2 = (ver_3_1 &&
+ ctx->Extensions.ARB_depth_clamp &&
+ ctx->Extensions.ARB_draw_elements_base_vertex &&
+ ctx->Extensions.ARB_fragment_coord_conventions &&
+ ctx->Extensions.ARB_geometry_shader4 &&
+ ctx->Extensions.EXT_provoking_vertex &&
+ ctx->Extensions.ARB_seamless_cube_map &&
+ ctx->Extensions.ARB_sync &&
+ ctx->Extensions.ARB_texture_multisample &&
+ ctx->Extensions.EXT_vertex_array_bgra);
+ const GLboolean ver_3_3 = (ver_3_2 &&
+ ctx->Extensions.ARB_blend_func_extended &&
+ ctx->Extensions.ARB_explicit_attrib_location &&
+ ctx->Extensions.ARB_instanced_arrays &&
+ ctx->Extensions.ARB_occlusion_query2 &&
+ ctx->Extensions.ARB_sampler_objects &&
+ ctx->Extensions.ARB_texture_rgb10_a2ui &&
+ ctx->Extensions.ARB_timer_query &&
+ ctx->Extensions.ARB_vertex_type_2_10_10_10_rev &&
+ ctx->Extensions.EXT_texture_swizzle);
+
+ if (ver_3_3) {
+ major = 3;
+ minor = 3;
+ }
+ else if (ver_3_2) {
+ major = 3;
+ minor = 2;
+ }
+ else if (ver_3_1) {
+ major = 3;
+ minor = 1;
+ }
+ else if (ver_3_0) {
+ major = 3;
+ minor = 0;
+ }
+ else if (ver_2_1) {
+ major = 2;
+ minor = 1;
}
else if (ver_2_0) {
- *major = 2;
- *minor = 0;
+ major = 2;
+ minor = 0;
}
else if (ver_1_5) {
- *major = 1;
- *minor = 5;
+ major = 1;
+ minor = 5;
}
else if (ver_1_4) {
- *major = 1;
- *minor = 4;
+ major = 1;
+ minor = 4;
}
else if (ver_1_3) {
- *major = 1;
- *minor = 3;
+ major = 1;
+ minor = 3;
}
else {
- *major = 1;
- *minor = 2;
+ major = 1;
+ minor = 2;
+ }
+
+ ctx->VersionMajor = major;
+ ctx->VersionMinor = minor;
+ ctx->VersionString = (char *) malloc(max);
+ if (ctx->VersionString) {
+ _mesa_snprintf(ctx->VersionString, max,
+ "%u.%u Mesa " MESA_VERSION_STRING,
+ ctx->VersionMajor, ctx->VersionMinor);
}
}
+static void
+compute_version_es1(GLcontext *ctx)
+{
+ static const int max = 100;
+
+ /* OpenGL ES 1.0 is derived from OpenGL 1.3 */
+ const GLboolean ver_1_0 = (ctx->Extensions.ARB_multisample &&
+ ctx->Extensions.ARB_multitexture &&
+ ctx->Extensions.ARB_texture_compression &&
+ ctx->Extensions.EXT_texture_env_add &&
+ ctx->Extensions.ARB_texture_env_combine &&
+ ctx->Extensions.ARB_texture_env_dot3);
+ /* OpenGL ES 1.1 is derived from OpenGL 1.5 */
+ const GLboolean ver_1_1 = (ver_1_0 &&
+ ctx->Extensions.EXT_point_parameters &&
+ ctx->Extensions.SGIS_generate_mipmap &&
+ ctx->Extensions.ARB_vertex_buffer_object);
+
+ if (ver_1_1) {
+ ctx->VersionMajor = 1;
+ ctx->VersionMinor = 1;
+ } else if (ver_1_0) {
+ ctx->VersionMajor = 1;
+ ctx->VersionMinor = 0;
+ } else {
+ _mesa_problem(ctx, "Incomplete OpenGL ES 1.0 support.");
+ }
+
+ ctx->VersionString = (char *) malloc(max);
+ if (ctx->VersionString) {
+ _mesa_snprintf(ctx->VersionString, max,
+ "OpenGL ES-CM 1.%d Mesa " MESA_VERSION_STRING,
+ ctx->VersionMinor);
+ }
+}
+
+static void
+compute_version_es2(GLcontext *ctx)
+{
+ static const int max = 100;
+
+ /* OpenGL ES 2.0 is derived from OpenGL 2.0 */
+ const GLboolean ver_2_0 = (ctx->Extensions.ARB_multisample &&
+ ctx->Extensions.ARB_multitexture &&
+ ctx->Extensions.ARB_texture_compression &&
+ ctx->Extensions.ARB_texture_cube_map &&
+ ctx->Extensions.ARB_texture_mirrored_repeat &&
+ ctx->Extensions.EXT_blend_color &&
+ ctx->Extensions.EXT_blend_func_separate &&
+ ctx->Extensions.EXT_blend_minmax &&
+ ctx->Extensions.EXT_blend_subtract &&
+ ctx->Extensions.EXT_stencil_wrap &&
+ ctx->Extensions.ARB_vertex_buffer_object &&
+ ctx->Extensions.ARB_shader_objects &&
+ ctx->Extensions.ARB_vertex_shader &&
+ ctx->Extensions.ARB_fragment_shader &&
+ ctx->Extensions.ARB_texture_non_power_of_two &&
+ ctx->Extensions.EXT_blend_equation_separate);
+ if (ver_2_0) {
+ ctx->VersionMajor = 2;
+ ctx->VersionMinor = 0;
+ } else {
+ _mesa_problem(ctx, "Incomplete OpenGL ES 2.0 support.");
+ }
+
+ ctx->VersionString = (char *) malloc(max);
+ if (ctx->VersionString) {
+ _mesa_snprintf(ctx->VersionString, max,
+ "OpenGL ES 2.0 Mesa " MESA_VERSION_STRING);
+ }
+}
/**
* Set the context's VersionMajor, VersionMinor, VersionString fields.
- * This should only be called once as part of context initialization.
+ * This should only be called once as part of context initialization
+ * or to perform version check for GLX_ARB_create_context_profile.
*/
void
_mesa_compute_version(GLcontext *ctx)
{
- static const int max = 100;
+ if (ctx->VersionMajor)
+ return;
- compute_version(ctx, &ctx->VersionMajor, &ctx->VersionMinor);
-
- ctx->VersionString = (char *) malloc(max);
- if (ctx->VersionString) {
- _mesa_snprintf(ctx->VersionString, max, "%u.%u Mesa " MESA_VERSION_STRING,
- ctx->VersionMajor, ctx->VersionMinor);
+ switch (ctx->API) {
+ case API_OPENGL:
+ compute_version(ctx);
+ break;
+ case API_OPENGLES:
+ compute_version_es1(ctx);
+ break;
+ case API_OPENGLES2:
+ compute_version_es2(ctx);
+ break;
}
+
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 02:22:07 +0000