Cache OpenGL program info on the client side of the command buffer.

gpu/command_buffer/client/gles2_implementation.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // A class to emulate GLES2 over command buffers.
 
 #include "../client/gles2_implementation.h"
 #include <GLES2/gles2_command_buffer.h>
 #include "../client/mapped_memory.h"
+#include "../client/program_info_manager.h"
 #include "../common/gles2_cmd_utils.h"
 #include "../common/id_allocator.h"
 #include "../common/trace_event.h"
 
 #if defined(__native_client__) && !defined(GLES2_SUPPORT_CLIENT_SIDE_ARRAYS)
 #define GLES2_SUPPORT_CLIENT_SIDE_ARRAYS
 #endif
 
 #if defined(GPU_CLIENT_DEBUG)
 #include "ui/gfx/gl/gl_switches.h"
@@ skipping 484 matching lines @@
   util_.set_num_shader_binary_formats(
       gl_state_.num_shader_binary_formats);
 
   GetMultipleIntegervCHROMIUM(
       pnames, arraysize(pnames), &gl_state_.max_combined_texture_image_units,
       sizeof(gl_state_));
 
   texture_units_.reset(
       new TextureUnit[gl_state_.max_combined_texture_image_units]);
 
+//  program_info_manager_.reset(ProgramInfoManager::Create(sharing_resources_));

[apatrick_chromium, 2011/07/20 18:28:51]

delete?

+  program_info_manager_.reset(ProgramInfoManager::Create(true));
+
 #if defined(GLES2_SUPPORT_CLIENT_SIDE_ARRAYS)
   buffer_id_handler_->MakeIds(
       kClientSideArrayId, arraysize(reserved_ids_), &reserved_ids_[0]);
 
   client_side_buffer_helper_.reset(new ClientSideBufferHelper(
       gl_state_.max_vertex_attribs,
       reserved_ids_[0],
       reserved_ids_[1]));
 #endif
 }
@@ skipping 416 matching lines @@
     index, pname, result_shm_id(), result_shm_offset());
   WaitForCmd();
   result->CopyResult(ptr);
   GPU_CLIENT_LOG_CODE_BLOCK({
     for (int32 i = 0; i < result->GetNumResults(); ++i) {
       GPU_CLIENT_LOG("  " << i << ": " << result->GetData()[i]);
     }
   });
 }
 
+void GLES2Implementation::DeleteProgramOrShaderHelper(
+    GLuint program_or_shader) {
+  program_and_shader_id_handler_->FreeIds(1, &program_or_shader);
+  program_info_manager_->DeleteInfo(program_or_shader);
+}
+
+GLint GLES2Implementation::GetAttribLocationHelper(
+    GLuint program, const char* name) {
+  typedef GetAttribLocationBucket::Result Result;
+  Result* result = GetResultAs<Result*>();
+  *result = -1;
+  SetBucketAsCString(kResultBucketId, name);
+  helper_->GetAttribLocationBucket(
+      program, kResultBucketId, result_shm_id(), result_shm_offset());
+  WaitForCmd();
+  helper_->SetBucketSize(kResultBucketId, 0);
+  return *result;
+}
+
 GLint GLES2Implementation::GetAttribLocation(
     GLuint program, const char* name) {
   GPU_CLIENT_LOG("[" << this << "] glGetAttribLocation(" << program
       << ", " << name << ")");
   TRACE_EVENT0("gpu", "GLES2::GetAttribLocation");
-  typedef GetAttribLocationBucket::Result Result;
-  Result* result = GetResultAs<Result*>();
-  *result = -1;
-  SetBucketAsCString(kResultBucketId, name);
-  helper_->GetAttribLocationBucket(program, kResultBucketId,
-                                   result_shm_id(), result_shm_offset());
-  WaitForCmd();
-  helper_->SetBucketSize(kResultBucketId, 0);
-  GPU_CLIENT_LOG("returned " << *result);
-  return *result;
+  GLint loc = program_info_manager_->GetAttribLocation(this, program, name);
+  GPU_CLIENT_LOG("returned " << loc);
+  return loc;
 }
 
-GLint GLES2Implementation::GetUniformLocation(
+GLint GLES2Implementation::GetUniformLocationHelper(
     GLuint program, const char* name) {
-  GPU_CLIENT_LOG("[" << this << "] glGetUniformLocation(" << program
-      << ", " << name << ")");
-  TRACE_EVENT0("gpu", "GLES2::GetUniformLocation");
   typedef GetUniformLocationBucket::Result Result;
   Result* result = GetResultAs<Result*>();
   *result = -1;
   SetBucketAsCString(kResultBucketId, name);
   helper_->GetUniformLocationBucket(program, kResultBucketId,
                                     result_shm_id(), result_shm_offset());
   WaitForCmd();
   helper_->SetBucketSize(kResultBucketId, 0);
-  GPU_CLIENT_LOG("returned " << *result);
   return *result;
 }
 
+GLint GLES2Implementation::GetUniformLocation(
+    GLuint program, const char* name) {
+  GPU_CLIENT_LOG("[" << this << "] glGetUniformLocation(" << program
+      << ", " << name << ")");
+  TRACE_EVENT0("gpu", "GLES2::GetUniformLocation");
+  GLint loc = program_info_manager_->GetUniformLocation(this, program, name);
+  GPU_CLIENT_LOG("returned " << loc);
+  return loc;
+}
+
+bool GLES2Implementation::GetProgramivHelper(
+    GLuint program, GLenum pname, GLint* params) {
+  return program_info_manager_->GetProgramiv(this, program, pname, params);
+}
+
+void GLES2Implementation::LinkProgram(GLuint program) {
+  GPU_CLIENT_LOG("[" << this << "] glLinkProgram(" << program << ")");
+  helper_->LinkProgram(program);
+  program_info_manager_->CreateInfo(program);
+}
 
 void GLES2Implementation::ShaderBinary(
     GLsizei n, const GLuint* shaders, GLenum binaryformat, const void* binary,
     GLsizei length) {
   GPU_CLIENT_LOG("[" << this << "] glShaderBinary(" << n << ", "
       << static_cast<const void*>(shaders) << ", "
       << GLES2Util::GetStringEnum(binaryformat) << ", "
       << static_cast<const void*>(binary) << ", "
       << length << ")");
   if (n < 0) {
@@ skipping 371 matching lines @@
         row_source += part_size;
         temp_xoffset += num_pixels;
         temp_width -= num_pixels;
       }
       ++yoffset;
       source += padded_row_size;
     }
   }
 }
 
-void GLES2Implementation::GetActiveAttrib(
+bool GLES2Implementation::GetActiveAttribHelper(
     GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size,
     GLenum* type, char* name) {
-  GPU_CLIENT_LOG("[" << this << "] glGetActiveAttrib("
-      << program << ", " << index << ", " << bufsize << ", "
-      << static_cast<const void*>(length) << ", "
-      << static_cast<const void*>(size) << ", "
-      << static_cast<const void*>(type) << ", "
-      << static_cast<const void*>(name) << ", ");
-  if (bufsize < 0) {
-    SetGLError(GL_INVALID_VALUE, "glGetActiveAttrib: bufsize < 0");
-    return;
-  }
-  TRACE_EVENT0("gpu", "GLES2::GetActiveAttrib");
-  // Clear the bucket so if we the command fails nothing will be in it.
+  // Clear the bucket so if the command fails nothing will be in it.
   helper_->SetBucketSize(kResultBucketId, 0);
   typedef gles2::GetActiveAttrib::Result Result;
   Result* result = static_cast<Result*>(result_buffer_);
   // Set as failed so if the command fails we'll recover.
   result->success = false;
   helper_->GetActiveAttrib(program, index, kResultBucketId,
                            result_shm_id(), result_shm_offset());
   WaitForCmd();
   if (result->success) {
     if (size) {
       *size = result->size;
-      GPU_CLIENT_LOG("  size: " << *size);
     }
     if (type) {
       *type = result->type;
-      GPU_CLIENT_LOG("  type: " << GLES2Util::GetStringEnum(*type));
     }
     if (length || name) {
       std::vector<int8> str;
       GetBucketContents(kResultBucketId, &str);
       GLsizei max_size = std::min(static_cast<size_t>(bufsize) - 1,
                                   std::max(static_cast<size_t>(0),
                                            str.size() - 1));
       if (length) {
         *length = max_size;
       }
       if (name && bufsize > 0) {
         memcpy(name, &str[0], max_size);
         name[max_size] = '\0';
-        GPU_CLIENT_LOG("  name: " << name);
       }
     }
   }
+  return result->success != 0;
 }
 
-void GLES2Implementation::GetActiveUniform(
+void GLES2Implementation::GetActiveAttrib(
     GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size,
     GLenum* type, char* name) {
-  GPU_CLIENT_LOG("[" << this << "] glGetActiveUniform("
+  GPU_CLIENT_LOG("[" << this << "] glGetActiveAttrib("
       << program << ", " << index << ", " << bufsize << ", "
       << static_cast<const void*>(length) << ", "
       << static_cast<const void*>(size) << ", "
       << static_cast<const void*>(type) << ", "
       << static_cast<const void*>(name) << ", ");
   if (bufsize < 0) {
-    SetGLError(GL_INVALID_VALUE, "glGetActiveUniform: bufsize < 0");
+    SetGLError(GL_INVALID_VALUE, "glGetActiveAttrib: bufsize < 0");
     return;
   }
-  TRACE_EVENT0("gpu", "GLES2::GetActiveUniform");
-  // Clear the bucket so if we the command fails nothing will be in it.
+  TRACE_EVENT0("gpu", "GLES2::GetActiveAttrib");
+  bool success = program_info_manager_->GetActiveAttrib(
+        this, program, index, bufsize, length, size, type, name);
+  if (success) {
+    if (size) {
+      GPU_CLIENT_LOG("  size: " << *size);
+    }
+    if (type) {
+      GPU_CLIENT_LOG("  type: " << GLES2Util::GetStringEnum(*type));
+    }
+    if (name) {
+      GPU_CLIENT_LOG("  name: " << name);
+    }
+  }
+}
+
+bool GLES2Implementation::GetActiveUniformHelper(
+    GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size,
+    GLenum* type, char* name) {
+  // Clear the bucket so if the command fails nothing will be in it.
   helper_->SetBucketSize(kResultBucketId, 0);
   typedef gles2::GetActiveUniform::Result Result;
   Result* result = static_cast<Result*>(result_buffer_);
   // Set as failed so if the command fails we'll recover.
   result->success = false;
   helper_->GetActiveUniform(program, index, kResultBucketId,
                             result_shm_id(), result_shm_offset());
   WaitForCmd();
   if (result->success) {
     if (size) {
       *size = result->size;
-      GPU_CLIENT_LOG("  size: " << *size);
     }
     if (type) {
       *type = result->type;
-      GPU_CLIENT_LOG("  type: " << GLES2Util::GetStringEnum(*type));
     }
     if (length || name) {
       std::vector<int8> str;
       GetBucketContents(kResultBucketId, &str);
       GLsizei max_size = std::min(static_cast<size_t>(bufsize) - 1,
                                   std::max(static_cast<size_t>(0),
                                            str.size() - 1));
       if (length) {
         *length = max_size;
       }
       if (name && bufsize > 0) {
         memcpy(name, &str[0], max_size);
         name[max_size] = '\0';
-        GPU_CLIENT_LOG("  name: " << name);
       }
     }
   }
+  return result->success != 0;
+}
+
+void GLES2Implementation::GetActiveUniform(
+    GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size,
+    GLenum* type, char* name) {
+  GPU_CLIENT_LOG("[" << this << "] glGetActiveUniform("
+      << program << ", " << index << ", " << bufsize << ", "
+      << static_cast<const void*>(length) << ", "
+      << static_cast<const void*>(size) << ", "
+      << static_cast<const void*>(type) << ", "
+      << static_cast<const void*>(name) << ", ");
+  if (bufsize < 0) {
+    SetGLError(GL_INVALID_VALUE, "glGetActiveUniform: bufsize < 0");
+    return;
+  }
+  TRACE_EVENT0("gpu", "GLES2::GetActiveUniform");
+  bool success = program_info_manager_->GetActiveUniform(
+      this, program, index, bufsize, length, size, type, name);
+  if (success) {
+    if (size) {
+      GPU_CLIENT_LOG("  size: " << *size);
+    }
+    if (type) {
+      GPU_CLIENT_LOG("  type: " << GLES2Util::GetStringEnum(*type));
+    }
+    if (name) {
+      GPU_CLIENT_LOG("  name: " << name);
+    }
+  }
 }
 
 void GLES2Implementation::GetAttachedShaders(
     GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders) {
   GPU_CLIENT_LOG("[" << this << "] glGetAttachedShaders("
       << program << ", " << maxcount << ", "
       << static_cast<const void*>(count) << ", "
       << static_cast<const void*>(shaders) << ", ");
   if (maxcount < 0) {
     SetGLError(GL_INVALID_VALUE, "glGetAttachedShaders: maxcount < 0");
@@ skipping 765 matching lines @@
   // TODO(gman): We should be able to free without a token.
   transfer_buffer_.FreePendingToken(buffer, helper_->InsertToken());
   GPU_CLIENT_LOG("  returned");
   GPU_CLIENT_LOG_CODE_BLOCK({
     for (int i = 0; i < num_results; ++i) {
       GPU_CLIENT_LOG("  " << i << ": " << (results[i]));
     }
   });
 }
 
+void GLES2Implementation::GetProgramInfoCHROMIUMHelper(
+    GLuint program, std::vector<int8>* result) {
+  DCHECK(result);
+  // Clear the bucket so if the command fails nothing will be in it.
+  helper_->SetBucketSize(kResultBucketId, 0);
+  helper_->GetProgramInfoCHROMIUM(program, kResultBucketId);
+  GetBucketContents(kResultBucketId, result);
+}
+
 void GLES2Implementation::GetProgramInfoCHROMIUM(
     GLuint program, GLsizei bufsize, GLsizei* size, void* info) {
   if (bufsize < 0) {
     SetGLError(GL_INVALID_VALUE, "glProgramInfoCHROMIUM: bufsize less than 0.");
     return;
   }
   if (size == NULL) {
     SetGLError(GL_INVALID_VALUE, "glProgramInfoCHROMIUM: size is null.");
     return;
   }
   // Make sure they've set size to 0 else the value will be undefined on
   // lost context.
   GPU_DCHECK(*size == 0);
-  // Clear the bucket so if the command fails nothing will be in it.
-  helper_->SetBucketSize(kResultBucketId, 0);
-  helper_->GetProgramInfoCHROMIUM(program, kResultBucketId);
   std::vector<int8> result;
-  GetBucketContents(kResultBucketId, &result);
-  if (result.size() == 0) {
+  GetProgramInfoCHROMIUMHelper(program, &result);
+  if (result.empty()) {
     return;
   }
   *size = result.size();
   if (!info) {
     return;
   }
   if (static_cast<size_t>(bufsize) < result.size()) {
     SetGLError(GL_INVALID_OPERATION,
                "glProgramInfoCHROMIUM: bufsize is too small for result.");
     return;
   }
   memcpy(info, &result[0], result.size());
 }
 
 }  // namespace gles2
 }  // namespace gpu