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authormarha <marha@users.sourceforge.net>2012-09-17 16:10:59 +0200
committermarha <marha@users.sourceforge.net>2012-09-17 16:10:59 +0200
commite3c4aa34268f99562e66b43a7d9efcd16ca072e6 (patch)
tree8c827f3f78e2c2093734b68045f2a13045ca15d0 /mesalib/src/mesa/drivers/common/meta.c
parentb08ba56019b146786e1cde553c036dd0c4fd02e5 (diff)
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mesa xserver pixman git update 17 sep 2012
Diffstat (limited to 'mesalib/src/mesa/drivers/common/meta.c')
-rw-r--r--mesalib/src/mesa/drivers/common/meta.c214
1 files changed, 140 insertions, 74 deletions
diff --git a/mesalib/src/mesa/drivers/common/meta.c b/mesalib/src/mesa/drivers/common/meta.c
index 7e81e5ee1..3b13ad7f1 100644
--- a/mesalib/src/mesa/drivers/common/meta.c
+++ b/mesalib/src/mesa/drivers/common/meta.c
@@ -76,8 +76,9 @@
#include "drivers/common/meta.h"
#include "main/enums.h"
#include "main/glformats.h"
+#include "../glsl/ralloc.h"
-
+static void *mem_ctx;
/** Return offset in bytes of the field within a vertex struct */
#define OFFSET(FIELD) ((void *) offsetof(struct vertex, FIELD))
@@ -178,12 +179,10 @@ struct save_state
struct gl_query_object *CondRenderQuery;
GLenum CondRenderMode;
-#if FEATURE_feedback
/** MESA_META_SELECT_FEEDBACK */
GLenum RenderMode;
struct gl_selection Select;
struct gl_feedback Feedback;
-#endif
/** MESA_META_MULTISAMPLE */
GLboolean MultisampleEnabled;
@@ -191,9 +190,7 @@ struct save_state
/** Miscellaneous (always disabled) */
GLboolean Lighting;
GLboolean RasterDiscard;
-#if FEATURE_EXT_transform_feedback
GLboolean TransformFeedbackNeedsResume;
-#endif
};
/**
@@ -286,6 +283,15 @@ struct gen_mipmap_state
GLuint IntegerShaderProg;
};
+/**
+ * State for GLSL texture sampler which is used to generate fragment
+ * shader in _mesa_meta_generate_mipmap().
+ */
+struct glsl_sampler {
+ const char *type;
+ const char *func;
+ const char *texcoords;
+};
/**
* State for texture decompression
@@ -438,35 +444,6 @@ _mesa_meta_free(struct gl_context *ctx)
/**
- * This is an alternative to _mesa_set_enable() to handle some special cases.
- * See comments inside.
- */
-static void
-meta_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state)
-{
- switch (cap) {
- case GL_MULTISAMPLE:
- /* We need to enable/disable multisample when using GLES but this enum
- * is not supported there.
- */
- if (ctx->Multisample.Enabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
- ctx->Multisample.Enabled = state;
- break;
- default:
- _mesa_problem(ctx, "Unexpected cap in _meta_set_enable()");
- return;
- }
-
- if (ctx->Driver.Enable) {
- ctx->Driver.Enable(ctx, cap, state);
- }
-}
-
-
-
-/**
* Enter meta state. This is like a light-weight version of glPushAttrib
* but it also resets most GL state back to default values.
*
@@ -485,7 +462,6 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
memset(save, 0, sizeof(*save));
save->SavedState = state;
-#if FEATURE_EXT_transform_feedback
/* Pausing transform feedback needs to be done early, or else we won't be
* able to change other state.
*/
@@ -494,7 +470,6 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
!ctx->TransformFeedback.CurrentObject->Paused;
if (save->TransformFeedbackNeedsResume)
_mesa_PauseTransformFeedback();
-#endif
if (state & MESA_META_ALPHA_TEST) {
save->AlphaEnabled = ctx->Color.AlphaEnabled;
@@ -648,19 +623,24 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
if (ctx->Texture.Unit[u].Enabled ||
ctx->Texture.Unit[u].TexGenEnabled) {
_mesa_ActiveTextureARB(GL_TEXTURE0 + u);
- _mesa_set_enable(ctx, GL_TEXTURE_1D, GL_FALSE);
_mesa_set_enable(ctx, GL_TEXTURE_2D, GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_3D, GL_FALSE);
if (ctx->Extensions.ARB_texture_cube_map)
_mesa_set_enable(ctx, GL_TEXTURE_CUBE_MAP, GL_FALSE);
- if (ctx->Extensions.NV_texture_rectangle)
- _mesa_set_enable(ctx, GL_TEXTURE_RECTANGLE, GL_FALSE);
if (ctx->Extensions.OES_EGL_image_external)
_mesa_set_enable(ctx, GL_TEXTURE_EXTERNAL_OES, GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_GEN_S, GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_GEN_T, GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_GEN_R, GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_GEN_Q, GL_FALSE);
+
+ if (ctx->API == API_OPENGL) {
+ _mesa_set_enable(ctx, GL_TEXTURE_1D, GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_3D, GL_FALSE);
+ if (ctx->Extensions.NV_texture_rectangle)
+ _mesa_set_enable(ctx, GL_TEXTURE_RECTANGLE, GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_S, GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_T, GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_R, GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_Q, GL_FALSE);
+ } else {
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_STR_OES, GL_FALSE);
+ }
}
}
}
@@ -770,7 +750,6 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
_mesa_EndConditionalRender();
}
-#if FEATURE_feedback
if (state & MESA_META_SELECT_FEEDBACK) {
save->RenderMode = ctx->RenderMode;
if (ctx->RenderMode == GL_SELECT) {
@@ -781,12 +760,11 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
_mesa_RenderMode(GL_RENDER);
}
}
-#endif
if (state & MESA_META_MULTISAMPLE) {
save->MultisampleEnabled = ctx->Multisample.Enabled;
if (ctx->Multisample.Enabled)
- meta_set_enable(ctx, GL_MULTISAMPLE, GL_FALSE);
+ _mesa_set_multisample(ctx, GL_FALSE);
}
/* misc */
@@ -1076,7 +1054,6 @@ _mesa_meta_end(struct gl_context *ctx)
save->CondRenderMode);
}
-#if FEATURE_feedback
if (state & MESA_META_SELECT_FEEDBACK) {
if (save->RenderMode == GL_SELECT) {
_mesa_RenderMode(GL_SELECT);
@@ -1086,11 +1063,10 @@ _mesa_meta_end(struct gl_context *ctx)
ctx->Feedback = save->Feedback;
}
}
-#endif
if (state & MESA_META_MULTISAMPLE) {
if (ctx->Multisample.Enabled != save->MultisampleEnabled)
- meta_set_enable(ctx, GL_MULTISAMPLE, save->MultisampleEnabled);
+ _mesa_set_multisample(ctx, save->MultisampleEnabled);
}
/* misc */
@@ -1100,10 +1076,8 @@ _mesa_meta_end(struct gl_context *ctx)
if (save->RasterDiscard) {
_mesa_set_enable(ctx, GL_RASTERIZER_DISCARD, GL_TRUE);
}
-#if FEATURE_EXT_transform_feedback
if (save->TransformFeedbackNeedsResume)
_mesa_ResumeTransformFeedback();
-#endif
ctx->Meta->SaveStackDepth--;
}
@@ -2974,7 +2948,7 @@ setup_texture_coords(GLenum faceTarget,
static void
setup_ff_generate_mipmap(struct gl_context *ctx,
- struct gen_mipmap_state *mipmap)
+ struct gen_mipmap_state *mipmap)
{
struct vertex {
GLfloat x, y, tex[3];
@@ -3004,30 +2978,61 @@ setup_ff_generate_mipmap(struct gl_context *ctx,
static void
+setup_texture_sampler(GLenum target, struct glsl_sampler *sampler)
+{
+ switch(target) {
+ case GL_TEXTURE_1D:
+ sampler->type = "sampler1D";
+ sampler->func = "texture1D";
+ sampler->texcoords = "texCoords.x";
+ break;
+ case GL_TEXTURE_2D:
+ sampler->type = "sampler2D";
+ sampler->func = "texture2D";
+ sampler->texcoords = "texCoords.xy";
+ break;
+ case GL_TEXTURE_3D:
+ /* Code for mipmap generation with 3D textures is not used yet.
+ * It's a sw fallback.
+ */
+ sampler->type = "sampler3D";
+ sampler->func = "texture3D";
+ sampler->texcoords = "texCoords";
+ break;
+ case GL_TEXTURE_CUBE_MAP:
+ sampler->type = "samplerCube";
+ sampler->func = "textureCube";
+ sampler->texcoords = "texCoords";
+ break;
+ case GL_TEXTURE_1D_ARRAY:
+ sampler->type = "sampler1DArray";
+ sampler->func = "texture1DArray";
+ sampler->texcoords = "texCoords.xy";
+ break;
+ case GL_TEXTURE_2D_ARRAY:
+ sampler->type = "sampler2DArray";
+ sampler->func = "texture2DArray";
+ sampler->texcoords = "texCoords";
+ break;
+ default:
+ _mesa_problem(NULL, "Unexpected texture target 0x%x in"
+ " setup_texture_sampler()\n", target);
+ }
+}
+
+
+static void
setup_glsl_generate_mipmap(struct gl_context *ctx,
- struct gen_mipmap_state *mipmap)
+ struct gen_mipmap_state *mipmap,
+ GLenum target)
{
struct vertex {
GLfloat x, y, tex[3];
};
+ struct glsl_sampler sampler;
+ const char *vs_source;
+ const char *fs_template;
- static const char *vs_source =
- "attribute vec2 position;\n"
- "attribute vec3 textureCoords;\n"
- "varying vec3 texCoords;\n"
- "void main()\n"
- "{\n"
- " texCoords = textureCoords;\n"
- " gl_Position = vec4(position, 0.0, 1.0);\n"
- "}\n";
- static const char *fs_source =
- "uniform sampler2D tex2d;\n"
- "varying vec3 texCoords;\n"
- "void main()\n"
- "{\n"
- " gl_FragColor = texture2D(tex2d, texCoords.xy);\n"
- "}\n";
-
static const char *vs_int_source =
"#version 130\n"
"in vec2 position;\n"
@@ -3048,8 +3053,51 @@ setup_glsl_generate_mipmap(struct gl_context *ctx,
"{\n"
" out_color = texture(tex2d, texCoords.xy);\n"
"}\n";
+ char *fs_source;
+ const char *extension_mode;
GLuint vs, fs;
+ if (ctx->Const.GLSLVersion < 130) {
+ vs_source =
+ "attribute vec2 position;\n"
+ "attribute vec3 textureCoords;\n"
+ "varying vec3 texCoords;\n"
+ "void main()\n"
+ "{\n"
+ " texCoords = textureCoords;\n"
+ " gl_Position = vec4(position, 0.0, 1.0);\n"
+ "}\n";
+ fs_template =
+ "#extension GL_EXT_texture_array : %s\n"
+ "uniform %s texSampler;\n"
+ "varying vec3 texCoords;\n"
+ "void main()\n"
+ "{\n"
+ " gl_FragColor = %s(texSampler, %s);\n"
+ "}\n";
+ } else {
+ vs_source =
+ "#version 130\n"
+ "in vec2 position;\n"
+ "in vec3 textureCoords;\n"
+ "out vec3 texCoords;\n"
+ "void main()\n"
+ "{\n"
+ " texCoords = textureCoords;\n"
+ " gl_Position = vec4(position, 0.0, 1.0);\n"
+ "}\n";
+ fs_template =
+ "#version 130\n"
+ "uniform %s texSampler;\n"
+ "in vec3 texCoords;\n"
+ "out %s out_color;\n"
+ "\n"
+ "void main()\n"
+ "{\n"
+ " out_color = texture(texSampler, %s);\n"
+ "}\n";
+ }
+
/* Check if already initialized */
if (mipmap->ArrayObj != 0)
return;
@@ -3067,6 +3115,25 @@ setup_glsl_generate_mipmap(struct gl_context *ctx,
_mesa_VertexAttribPointerARB(1, 3, GL_FLOAT, GL_FALSE,
sizeof(struct vertex), OFFSET(tex));
+ /* Generate a fragment shader program appropriate for the texture target */
+ setup_texture_sampler(target, &sampler);
+ mem_ctx = ralloc_context(NULL);
+
+ if (ctx->Const.GLSLVersion < 130) {
+ extension_mode = ((target == GL_TEXTURE_1D_ARRAY) ||
+ (target == GL_TEXTURE_2D_ARRAY)) ?
+ "require" : "disable";
+
+ fs_source = ralloc_asprintf(mem_ctx, fs_template,
+ extension_mode, sampler.type,
+ sampler.func, sampler.texcoords);
+ }
+ else {
+ fs_source = ralloc_asprintf(mem_ctx, fs_template,
+ sampler.type, "vec4",
+ sampler.texcoords);
+ }
+
vs = compile_shader_with_debug(ctx, GL_VERTEX_SHADER, vs_source);
fs = compile_shader_with_debug(ctx, GL_FRAGMENT_SHADER, fs_source);
@@ -3080,6 +3147,7 @@ setup_glsl_generate_mipmap(struct gl_context *ctx,
_mesa_EnableVertexAttribArrayARB(0);
_mesa_EnableVertexAttribArrayARB(1);
link_program_with_debug(ctx, mipmap->ShaderProg);
+ ralloc_free(mem_ctx);
if ((_mesa_is_desktop_gl(ctx) && ctx->Const.GLSLVersion >= 130) ||
_mesa_is_gles3(ctx)){
@@ -3172,7 +3240,7 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
* GenerateMipmap function.
*/
if (use_glsl_version) {
- setup_glsl_generate_mipmap(ctx, mipmap);
+ setup_glsl_generate_mipmap(ctx, mipmap, target);
if (texObj->_IsIntegerFormat)
_mesa_UseProgramObjectARB(mipmap->IntegerShaderProg);
@@ -3738,7 +3806,6 @@ void
_mesa_meta_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
GLfloat width, GLfloat height)
{
-#if FEATURE_OES_draw_texture
struct drawtex_state *drawtex = &ctx->Meta->DrawTex;
struct vertex {
GLfloat x, y, z, st[MAX_TEXTURE_UNITS][2];
@@ -3854,5 +3921,4 @@ _mesa_meta_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
_mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
_mesa_meta_end(ctx);
-#endif /* FEATURE_OES_draw_texture */
}