diff options
Diffstat (limited to 'src/mesa/main/get.c')
| -rw-r--r-- | src/mesa/main/get.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c index 680576cab8f..976bff6653e 100644 --- a/src/mesa/main/get.c +++ b/src/mesa/main/get.c @@ -35,6 +35,7 @@ #include "mtypes.h" #include "state.h" #include "texcompress.h" +#include "texstate.h" #include "framebuffer.h" #include "samplerobj.h" #include "stencil.h" @@ -1750,6 +1751,52 @@ _mesa_GetDoublev(GLenum pname, GLdouble *params) } } +/** + * Convert a GL texture binding enum such as GL_TEXTURE_BINDING_2D + * into the corresponding Mesa texture target index. + * \return TEXTURE_x_INDEX or -1 if binding is invalid + */ +static int +tex_binding_to_index(const struct gl_context *ctx, GLenum binding) +{ + switch (binding) { + case GL_TEXTURE_BINDING_1D: + return _mesa_is_desktop_gl(ctx) ? TEXTURE_1D_INDEX : -1; + case GL_TEXTURE_BINDING_2D: + return TEXTURE_2D_INDEX; + case GL_TEXTURE_BINDING_3D: + return ctx->API != API_OPENGLES ? TEXTURE_3D_INDEX : -1; + case GL_TEXTURE_BINDING_CUBE_MAP: + return ctx->Extensions.ARB_texture_cube_map + ? TEXTURE_CUBE_INDEX : -1; + case GL_TEXTURE_BINDING_RECTANGLE: + return _mesa_is_desktop_gl(ctx) && ctx->Extensions.NV_texture_rectangle + ? TEXTURE_RECT_INDEX : -1; + case GL_TEXTURE_BINDING_1D_ARRAY: + return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array + ? TEXTURE_1D_ARRAY_INDEX : -1; + case GL_TEXTURE_BINDING_2D_ARRAY: + return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array) + || _mesa_is_gles3(ctx) + ? TEXTURE_2D_ARRAY_INDEX : -1; + case GL_TEXTURE_BINDING_BUFFER: + return ctx->API == API_OPENGL_CORE && + ctx->Extensions.ARB_texture_buffer_object ? + TEXTURE_BUFFER_INDEX : -1; + case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY: + return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_cube_map_array + ? TEXTURE_CUBE_ARRAY_INDEX : -1; + case GL_TEXTURE_BINDING_2D_MULTISAMPLE: + return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_multisample + ? TEXTURE_2D_MULTISAMPLE_INDEX : -1; + case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY: + return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_multisample + ? TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX : -1; + default: + return -1; + } +} + static enum value_type find_value_indexed(const char *func, GLenum pname, GLuint index, union value *v) { @@ -2013,6 +2060,45 @@ find_value_indexed(const char *func, GLenum pname, GLuint index, union value *v) v->value_int = ctx->ImageUnits[index].Format; return TYPE_INT; + /* ARB_direct_state_access */ + case GL_TEXTURE_BINDING_1D: + case GL_TEXTURE_BINDING_1D_ARRAY: + case GL_TEXTURE_BINDING_2D: + case GL_TEXTURE_BINDING_2D_ARRAY: + case GL_TEXTURE_BINDING_2D_MULTISAMPLE: + case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY: + case GL_TEXTURE_BINDING_3D: + case GL_TEXTURE_BINDING_BUFFER: + case GL_TEXTURE_BINDING_CUBE_MAP: + case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY: + case GL_TEXTURE_BINDING_RECTANGLE: { + int target; + + if (ctx->API != API_OPENGL_CORE) + goto invalid_enum; + target = tex_binding_to_index(ctx, pname); + if (target < 0) + goto invalid_enum; + if (index >= _mesa_max_tex_unit(ctx)) + goto invalid_value; + + v->value_int = ctx->Texture.Unit[index].CurrentTex[target]->Name; + return TYPE_INT; + } + + case GL_SAMPLER_BINDING: { + struct gl_sampler_object *samp; + + if (ctx->API != API_OPENGL_CORE) + goto invalid_enum; + if (index >= _mesa_max_tex_unit(ctx)) + goto invalid_value; + + samp = ctx->Texture.Unit[index].Sampler; + v->value_int = samp ? samp->Name : 0; + return TYPE_INT; + } + case GL_MAX_COMPUTE_WORK_GROUP_COUNT: if (!_mesa_has_compute_shaders(ctx)) goto invalid_enum; |