diff options
Diffstat (limited to 'src/mesa/state_tracker/st_extensions.c')
| -rw-r--r-- | src/mesa/state_tracker/st_extensions.c | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c index 60fd440ef7..8f6be50774 100644 --- a/src/mesa/state_tracker/st_extensions.c +++ b/src/mesa/state_tracker/st_extensions.c @@ -1,6 +1,7 @@ /************************************************************************** * * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * Copyright (c) 2008 VMware, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -83,12 +84,19 @@ void st_init_limits(struct st_context *st) c->MaxTextureRectSize = _min(1 << (c->MaxTextureLevels - 1), MAX_TEXTURE_RECT_SIZE); - c->MaxTextureUnits - = c->MaxTextureImageUnits - = c->MaxTextureCoordUnits + c->MaxTextureImageUnits = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS), MAX_TEXTURE_IMAGE_UNITS); + c->MaxVertexTextureImageUnits + = _min(screen->get_param(screen, PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS), + MAX_VERTEX_TEXTURE_IMAGE_UNITS); + + c->MaxTextureCoordUnits + = _min(c->MaxTextureImageUnits, MAX_TEXTURE_COORD_UNITS); + + c->MaxTextureUnits = _min(c->MaxTextureImageUnits, c->MaxTextureCoordUnits); + c->MaxDrawBuffers = _clamp(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS), 1, MAX_DRAW_BUFFERS); @@ -116,7 +124,11 @@ void st_init_limits(struct st_context *st) /** - * XXX this needs careful review + * Use pipe_screen::get_param() to query PIPE_CAP_ values to determine + * which GL extensions are supported. + * Quite a few extensions are always supported because they are standard + * features or can be built on top of other gallium features. + * Some fine tuning may still be needed. */ void st_init_extensions(struct st_context *st) { @@ -126,10 +138,10 @@ void st_init_extensions(struct st_context *st) /* * Extensions that are supported by all Gallium drivers: */ - ctx->Extensions.ARB_multisample = GL_TRUE; /* API support */ + ctx->Extensions.ARB_multisample = GL_TRUE; ctx->Extensions.ARB_fragment_program = GL_TRUE; ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; /* XXX temp */ - ctx->Extensions.ARB_texture_compression = GL_TRUE; /* API support only */ + ctx->Extensions.ARB_texture_compression = GL_TRUE; ctx->Extensions.ARB_texture_cube_map = GL_TRUE; ctx->Extensions.ARB_texture_env_combine = GL_TRUE; ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE; @@ -160,7 +172,7 @@ void st_init_extensions(struct st_context *st) ctx->Extensions.NV_texgen_reflection = GL_TRUE; ctx->Extensions.SGI_color_matrix = GL_TRUE; - ctx->Extensions.SGIS_generate_mipmap = GL_TRUE; /* XXX temp */ + ctx->Extensions.SGIS_generate_mipmap = GL_TRUE; /* * Extensions that depend on the driver/hardware: @@ -196,6 +208,7 @@ void st_init_extensions(struct st_context *st) if (screen->get_param(screen, PIPE_CAP_TWO_SIDED_STENCIL)) { ctx->Extensions.ATI_separate_stencil = GL_TRUE; + ctx->Extensions.EXT_stencil_two_side = GL_TRUE; } if (screen->get_param(screen, PIPE_CAP_ANISOTROPIC_FILTER)) { @@ -238,19 +251,24 @@ void st_init_extensions(struct st_context *st) ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE; } + /* sRGB support */ if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_SRGB, PIPE_TEXTURE_2D, + PIPE_TEXTURE_USAGE_SAMPLER, 0) || + screen->is_format_supported(screen, PIPE_FORMAT_A8R8G8B8_SRGB, + PIPE_TEXTURE_2D, PIPE_TEXTURE_USAGE_SAMPLER, 0)) { ctx->Extensions.EXT_texture_sRGB = GL_TRUE; } -#if 01 + /* s3tc support */ if (screen->is_format_supported(screen, PIPE_FORMAT_DXT5_RGBA, PIPE_TEXTURE_2D, PIPE_TEXTURE_USAGE_SAMPLER, 0)) { ctx->Extensions.EXT_texture_compression_s3tc = GL_TRUE; } -#endif + + /* ycbcr support */ if (screen->is_format_supported(screen, PIPE_FORMAT_YCBCR, PIPE_TEXTURE_2D, PIPE_TEXTURE_USAGE_SAMPLER, 0) || @@ -259,5 +277,4 @@ void st_init_extensions(struct st_context *st) PIPE_TEXTURE_USAGE_SAMPLER, 0)) { ctx->Extensions.MESA_ycbcr_texture = GL_TRUE; } - } |