gallium: add PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS

[mesa.git] / src / mesa / state_tracker / st_extensions.c

diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index d3aebe526ddeb646d0f1b570b14531aea3474bd7..0ad9e1286ea0337a614e7058177b0f5acca3f5ab 100644 (file)
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -85,6 +85,9 @@ void st_init_limits(struct st_context *st)
    c->MaxTextureRectSize
       = _min(1 << (c->MaxTextureLevels - 1), MAX_TEXTURE_RECT_SIZE);
 
+   c->MaxArrayTextureLayers
+      = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS);
+
    c->MaxTextureImageUnits
       = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS),
             MAX_TEXTURE_IMAGE_UNITS);
@@ -170,10 +173,16 @@ void st_init_limits(struct st_context *st)
       /* raise MaxParameters if native support is higher */
       pc->MaxParameters            = MAX2(pc->MaxParameters, pc->MaxNativeParameters);
 
+      /* Gallium doesn't really care about local vs. env parameters so use the
+       * same limits.
+       */
+      pc->MaxLocalParams = pc->MaxParameters;
+      pc->MaxEnvParams = pc->MaxParameters;
+
       options->EmitNoNoise = TRUE;
 
       /* TODO: make these more fine-grained if anyone needs it */
-      options->EmitNoIfs = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH);
+      options->MaxIfDepth = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH);
       options->EmitNoLoops = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH);
       options->EmitNoFunctions = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_SUBROUTINES);
       options->EmitNoMainReturn = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_SUBROUTINES);
@@ -203,11 +212,24 @@ void st_init_limits(struct st_context *st)
 
    /* XXX we'll need a better query here someday */
    if (screen->get_param(screen, PIPE_CAP_GLSL)) {
+      c->MinProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MIN_TEXEL_OFFSET);
+      c->MaxProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MAX_TEXEL_OFFSET);
+
       c->GLSLVersion = 120;
+      c->UniformBooleanTrue = ~0;
    }
 }
 
 
+static GLboolean st_get_s3tc_override(void)
+{
+   const char *override = _mesa_getenv("force_s3tc_enable");
+   if (override && !strcmp(override, "true"))
+      return GL_TRUE;
+   return GL_FALSE;
+}
+
+
 /**
  * Use pipe_screen::get_param() to query PIPE_CAP_ values to determine
  * which GL extensions are supported.
@@ -219,6 +241,7 @@ void st_init_extensions(struct st_context *st)
 {
    struct pipe_screen *screen = st->pipe->screen;
    struct gl_context *ctx = st->ctx;
+   int i;
 
    /*
     * Extensions that are supported by all Gallium drivers:
@@ -426,7 +449,7 @@ void st_init_extensions(struct st_context *st)
    if (screen->is_format_supported(screen, PIPE_FORMAT_DXT5_RGBA,
                                    PIPE_TEXTURE_2D, 0,
                                    PIPE_BIND_SAMPLER_VIEW) &&
-       ctx->Mesa_DXTn) {
+       (ctx->Mesa_DXTn || st_get_s3tc_override())) {
       ctx->Extensions.EXT_texture_compression_s3tc = GL_TRUE;
       ctx->Extensions.S3_s3tc = GL_TRUE;
    }
@@ -485,7 +508,7 @@ void st_init_extensions(struct st_context *st)
    }
 
    /* GL_EXT_texture_array */
-   if (screen->get_param(screen, PIPE_CAP_ARRAY_TEXTURES)) {
+   if (screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS) > 1) {
       ctx->Extensions.EXT_texture_array = GL_TRUE;
       ctx->Extensions.MESA_texture_array = GL_TRUE;
    }
@@ -521,6 +544,33 @@ void st_init_extensions(struct st_context *st)
       ctx->Extensions.ARB_ES2_compatibility = GL_TRUE;
    }
 
+   if (screen->is_format_supported(screen, PIPE_FORMAT_R10G10B10A2_UNORM,
+                                   PIPE_BUFFER, 0,
+                                   PIPE_BIND_VERTEX_BUFFER) &&
+       screen->is_format_supported(screen, PIPE_FORMAT_B10G10R10A2_UNORM,
+                                   PIPE_BUFFER, 0,
+                                   PIPE_BIND_VERTEX_BUFFER) &&
+       screen->is_format_supported(screen, PIPE_FORMAT_R10G10B10A2_SNORM,
+                                   PIPE_BUFFER, 0,
+                                   PIPE_BIND_VERTEX_BUFFER) &&
+       screen->is_format_supported(screen, PIPE_FORMAT_B10G10R10A2_SNORM,
+                                   PIPE_BUFFER, 0,
+                                   PIPE_BIND_VERTEX_BUFFER) &&
+       screen->is_format_supported(screen, PIPE_FORMAT_R10G10B10A2_USCALED,
+                                   PIPE_BUFFER, 0,
+                                   PIPE_BIND_VERTEX_BUFFER) &&
+       screen->is_format_supported(screen, PIPE_FORMAT_B10G10R10A2_USCALED,
+                                   PIPE_BUFFER, 0,
+                                   PIPE_BIND_VERTEX_BUFFER) &&
+       screen->is_format_supported(screen, PIPE_FORMAT_R10G10B10A2_SSCALED,
+                                   PIPE_BUFFER, 0,
+                                   PIPE_BIND_VERTEX_BUFFER) &&
+       screen->is_format_supported(screen, PIPE_FORMAT_B10G10R10A2_SSCALED,
+                                   PIPE_BUFFER, 0,
+                                   PIPE_BIND_VERTEX_BUFFER)) {
+      ctx->Extensions.ARB_vertex_type_2_10_10_10_rev = GL_TRUE;
+   }
+
    if (screen->get_shader_param(screen, PIPE_SHADER_GEOMETRY, PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) {
 #if 0 /* XXX re-enable when GLSL compiler again supports geometry shaders */
       ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;
@@ -596,6 +646,16 @@ void st_init_extensions(struct st_context *st)
       ctx->Extensions.EXT_packed_float = GL_TRUE;
    }
 
+   /* Maximum sample count. */
+   for (i = 16; i > 0; --i) {
+      if (screen->is_format_supported(screen, PIPE_FORMAT_B8G8R8A8_UNORM,
+                                      PIPE_TEXTURE_2D, i,
+                                      PIPE_BIND_RENDER_TARGET)) {
+         ctx->Const.MaxSamples = i;
+         break;
+      }
+   }
+
    if (screen->get_param(screen, PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE)) {
       ctx->Extensions.ARB_seamless_cube_map = GL_TRUE;
       ctx->Extensions.AMD_seamless_cubemap_per_texture = GL_TRUE;
@@ -607,4 +667,15 @@ void st_init_extensions(struct st_context *st)
    if (screen->get_param(screen, PIPE_CAP_SM3)) {
       ctx->Extensions.ARB_shader_texture_lod = GL_TRUE;
    }
+
+   if (screen->is_format_supported(screen, PIPE_FORMAT_Z32_FLOAT,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_DEPTH_STENCIL |
+                                   PIPE_BIND_SAMPLER_VIEW) &&
+       screen->is_format_supported(screen, PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_DEPTH_STENCIL |
+                                   PIPE_BIND_SAMPLER_VIEW)) {
+      ctx->Extensions.ARB_depth_buffer_float = GL_TRUE;
+   }
 }