--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "main/imports.h"
+#include "main/context.h"
+#include "main/extensions.h"
+#include "main/macros.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+
+#include "st_context.h"
+#include "st_extensions.h"
+
+
+/*
+ * Compute floor(log_base_2(n)).
+ * If n < 0 return -1.
+ */
+static int
+logbase2( int n )
+{
+ GLint i = 1;
+ GLint log2 = 0;
+
+ if (n < 0)
+ return -1;
+
+ if (n == 0)
+ return 0;
+
+ while ( n > i ) {
+ i *= 2;
+ log2++;
+ }
+ if (i != n) {
+ return log2 - 1;
+ }
+ else {
+ return log2;
+ }
+}
+
+
+void st_init_limits(struct st_context *st)
+{
+ struct pipe_context *pipe = st->pipe;
+ GLcontext *ctx = st->ctx;
+ uint w, h, d;
+
+ ctx->Const.MaxTextureImageUnits
+ = ctx->Const.MaxTextureCoordUnits
+ = pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS);
+
+ pipe->max_texture_size(pipe, PIPE_TEXTURE_2D, &w, &h, &d);
+ ctx->Const.MaxTextureLevels = logbase2(w) + 1;
+ ctx->Const.MaxTextureRectSize = w;
+
+ pipe->max_texture_size(pipe, PIPE_TEXTURE_3D, &w, &h, &d);
+ ctx->Const.Max3DTextureLevels = logbase2(d) + 1;
+
+ pipe->max_texture_size(pipe, PIPE_TEXTURE_CUBE, &w, &h, &d);
+ ctx->Const.MaxCubeTextureLevels = logbase2(w) + 1;
+
+ ctx->Const.MaxDrawBuffers = MAX2(1, pipe->get_param(pipe, PIPE_CAP_MAX_RENDER_TARGETS));
+
+}
+
+
+/**
+ * XXX this needs careful review
+ */
+void st_init_extensions(struct st_context *st)
+{
+ struct pipe_context *pipe = st->pipe;
+ GLcontext *ctx = st->ctx;
+
+ /*
+ * Extensions that are supported by all Gallium drivers:
+ */
+ ctx->Extensions.ARB_fragment_program = 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;
+ ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
+ ctx->Extensions.ARB_vertex_program = GL_TRUE;
+ ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;
+
+ ctx->Extensions.EXT_blend_color = GL_TRUE;
+ ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
+ ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
+ ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
+ ctx->Extensions.EXT_blend_minmax = GL_TRUE;
+ ctx->Extensions.EXT_blend_subtract = GL_TRUE;
+ ctx->Extensions.EXT_framebuffer_object = GL_TRUE;
+ ctx->Extensions.EXT_fog_coord = GL_TRUE;
+ ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;
+ ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
+ ctx->Extensions.EXT_point_parameters = GL_TRUE;
+ ctx->Extensions.EXT_secondary_color = GL_TRUE;
+ ctx->Extensions.EXT_stencil_wrap = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_add = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_combine = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;
+ ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
+
+ ctx->Extensions.NV_blend_square = GL_TRUE;
+ ctx->Extensions.NV_texgen_reflection = GL_TRUE;
+
+
+ /*
+ * Extensions that depend on the driver/hardware:
+ */
+ if (pipe->get_param(pipe, PIPE_CAP_MAX_RENDER_TARGETS) > 1) {
+ ctx->Extensions.ARB_draw_buffers = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_GLSL) > 1) {
+ ctx->Extensions.ARB_fragment_shader = GL_TRUE;
+ ctx->Extensions.ARB_vertex_shader = GL_TRUE;
+ ctx->Extensions.ARB_shader_objects = GL_TRUE;
+ ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
+ ctx->Extensions.ARB_shading_language_120 = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_NPOT_TEXTURES)) {
+ ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
+ ctx->Extensions.NV_texture_rectangle = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS) > 1) {
+ ctx->Extensions.ARB_multitexture = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_TWO_SIDED_STENCIL) > 1) {
+ ctx->Extensions.ATI_separate_stencil = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_S3TC) > 1) {
+ ctx->Extensions.ARB_texture_compression = GL_TRUE;
+ ctx->Extensions.EXT_texture_compression_s3tc = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_ANISOTROPIC_FILTER)) {
+ ctx->Extensions.EXT_texture_filter_anisotropic = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_POINT_SPRITE)) {
+ ctx->Extensions.ARB_point_sprite = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_OCCLUSION_QUERY) > 1) {
+ ctx->Extensions.ARB_occlusion_query = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_TEXTURE_SHADOW_MAP) > 1) {
+ ctx->Extensions.ARB_depth_texture = GL_TRUE;
+ ctx->Extensions.ARB_shadow = GL_TRUE;
+ /*ctx->Extensions.ARB_shadow_ambient = GL_TRUE;*/
+ }
+
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#ifndef ST_EXTENSIONS_H
+#define ST_EXTENSIONS_H
+
+
+extern void st_init_limits(struct st_context *st);
+
+extern void st_init_extensions(struct st_context *st);
+
+
+#endif /* ST_EXTENSIONS_H */
projects / mesa.git / commitdiff