i965: Enable GL_ARB_texture_rg
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9ef390dc14
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c77cd9ec10
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@ -89,6 +89,18 @@ static GLuint translate_tex_format( gl_format mesa_format,
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case MESA_FORMAT_AL1616:
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return BRW_SURFACEFORMAT_L16A16_UNORM;
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case MESA_FORMAT_R8:
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return BRW_SURFACEFORMAT_R8_UNORM;
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case MESA_FORMAT_R16:
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return BRW_SURFACEFORMAT_R16_UNORM;
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case MESA_FORMAT_RG88:
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return BRW_SURFACEFORMAT_R8G8_UNORM;
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case MESA_FORMAT_RG1616:
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return BRW_SURFACEFORMAT_R16G16_UNORM;
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case MESA_FORMAT_RGB888:
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assert(0); /* not supported for sampling */
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return BRW_SURFACEFORMAT_R8G8B8_UNORM;
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@ -444,6 +456,18 @@ brw_update_renderbuffer_surface(struct brw_context *brw,
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case MESA_FORMAT_A8:
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key.surface_format = BRW_SURFACEFORMAT_A8_UNORM;
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break;
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case MESA_FORMAT_R8:
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key.surface_format = BRW_SURFACEFORMAT_R8_UNORM;
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break;
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case MESA_FORMAT_R16:
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key.surface_format = BRW_SURFACEFORMAT_R16_UNORM;
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break;
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case MESA_FORMAT_RG88:
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key.surface_format = BRW_SURFACEFORMAT_R8G8_UNORM;
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break;
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case MESA_FORMAT_RG1616:
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key.surface_format = BRW_SURFACEFORMAT_R16G16_UNORM;
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break;
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default:
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_mesa_problem(ctx, "Bad renderbuffer format: %d\n", irb->Base.Format);
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}
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@ -166,6 +166,7 @@ static const struct dri_extension brw_extensions[] = {
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{ "GL_ARB_shadow", NULL },
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{ "GL_MESA_texture_signed_rgba", NULL },
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{ "GL_ARB_texture_non_power_of_two", NULL },
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{ "GL_ARB_texture_rg", NULL },
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{ "GL_EXT_draw_buffers2", GL_EXT_draw_buffers2_functions },
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{ "GL_EXT_shadow_funcs", NULL },
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{ "GL_EXT_stencil_two_side", GL_EXT_stencil_two_side_functions },
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@ -107,6 +107,24 @@ intel_alloc_renderbuffer_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
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ASSERT(rb->Name != 0);
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switch (internalFormat) {
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case GL_RED:
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case GL_R8:
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rb->Format = MESA_FORMAT_R8;
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rb->DataType = GL_UNSIGNED_BYTE;
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break;
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case GL_R16:
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rb->Format = MESA_FORMAT_R16;
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rb->DataType = GL_UNSIGNED_SHORT;
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break;
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case GL_RG:
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case GL_RG8:
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rb->Format = MESA_FORMAT_RG88;
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rb->DataType = GL_UNSIGNED_BYTE;
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break;
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case GL_RG16:
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rb->Format = MESA_FORMAT_RG1616;
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rb->DataType = GL_UNSIGNED_SHORT;
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break;
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case GL_R3_G3_B2:
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case GL_RGB4:
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case GL_RGB5:
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@ -346,6 +364,14 @@ intel_create_renderbuffer(gl_format format)
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irb->Base._BaseFormat = GL_ALPHA;
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irb->Base.DataType = GL_UNSIGNED_BYTE;
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break;
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case MESA_FORMAT_R8:
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irb->Base._BaseFormat = GL_RED;
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irb->Base.DataType = GL_UNSIGNED_BYTE;
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break;
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case MESA_FORMAT_RG88:
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irb->Base._BaseFormat = GL_RG;
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irb->Base.DataType = GL_UNSIGNED_BYTE;
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break;
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default:
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_mesa_problem(NULL,
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"Unexpected intFormat in intel_create_renderbuffer");
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@ -459,6 +485,22 @@ intel_update_wrapper(GLcontext *ctx, struct intel_renderbuffer *irb,
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irb->Base.DataType = GL_UNSIGNED_BYTE;
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DBG("Render to A8 texture OK\n");
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}
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else if (texImage->TexFormat == MESA_FORMAT_R8) {
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irb->Base.DataType = GL_UNSIGNED_BYTE;
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DBG("Render to R8 texture OK\n");
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}
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else if (texImage->TexFormat == MESA_FORMAT_RG88) {
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irb->Base.DataType = GL_UNSIGNED_BYTE;
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DBG("Render to RG88 texture OK\n");
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}
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else if (texImage->TexFormat == MESA_FORMAT_R16) {
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irb->Base.DataType = GL_UNSIGNED_SHORT;
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DBG("Render to R8 texture OK\n");
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}
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else if (texImage->TexFormat == MESA_FORMAT_RG1616) {
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irb->Base.DataType = GL_UNSIGNED_SHORT;
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DBG("Render to RG88 texture OK\n");
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}
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else if (texImage->TexFormat == MESA_FORMAT_Z16) {
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irb->Base.DataType = GL_UNSIGNED_SHORT;
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DBG("Render to DEPTH16 texture OK\n");
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@ -673,6 +715,10 @@ intel_validate_framebuffer(GLcontext *ctx, struct gl_framebuffer *fb)
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case MESA_FORMAT_ARGB1555:
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case MESA_FORMAT_ARGB4444:
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case MESA_FORMAT_A8:
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case MESA_FORMAT_R8:
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case MESA_FORMAT_R16:
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case MESA_FORMAT_RG88:
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case MESA_FORMAT_RG1616:
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break;
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default:
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fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
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@ -93,6 +93,10 @@ intelChooseTextureFormat(GLcontext * ctx, GLint internalFormat,
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case GL_LUMINANCE12_ALPHA4:
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case GL_LUMINANCE12_ALPHA12:
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case GL_LUMINANCE16_ALPHA16:
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/* i915 could implement this mode using MT_32BIT_RG1616. However, this
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* would require an extra swizzle instruction in the fragment shader to
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* convert the { R, G, 1.0, 1.0 } to { R, R, R, G }.
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*/
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#ifndef I915
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return MESA_FORMAT_AL1616;
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#else
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@ -193,6 +197,22 @@ intelChooseTextureFormat(GLcontext * ctx, GLint internalFormat,
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case GL_RGBA_SNORM:
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case GL_RGBA8_SNORM:
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return MESA_FORMAT_SIGNED_RGBA8888_REV;
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/* i915 can do a RG16, but it can't do any of the other RED or RG formats.
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* In addition, it only implements the broken D3D mode where undefined
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* components are read as 1.0. I'm not sure who thought reading
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* { R, G, 1.0, 1.0 } from a red-green texture would be useful.
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*/
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case GL_RED:
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case GL_R8:
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return MESA_FORMAT_R8;
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case GL_R16:
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return MESA_FORMAT_R16;
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case GL_RG:
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case GL_RG8:
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return MESA_FORMAT_RG88;
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case GL_RG16:
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return MESA_FORMAT_RG1616;
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#endif
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default:
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