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| author | gman@chromium.org <gman@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2011-06-27 22:34:47 +0000 |
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| committer | gman@chromium.org <gman@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2011-06-27 22:34:47 +0000 |
| commit | 40c7ee4e84ba84f73b85521b47fe33e866c1d2da (patch) | |
| tree | d2589e6da164405649f2818a0e45c083488a5b23 /gpu/command_buffer/client/gles2_implementation.cc | |
| parent | c66019913aa4948835a24ca0f9feccb63003a6d7 (diff) | |
| download | chromium_src-40c7ee4e84ba84f73b85521b47fe33e866c1d2da.zip chromium_src-40c7ee4e84ba84f73b85521b47fe33e866c1d2da.tar.gz chromium_src-40c7ee4e84ba84f73b85521b47fe33e866c1d2da.tar.bz2 | |
Add glGetMultipleIntegervCHROMIUM
This is a step to adding more client side state caching.
TEST=unit tests
BUG=85969
R=apatrick@chromium.org
Review URL: http://codereview.chromium.org/7217029
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@90662 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'gpu/command_buffer/client/gles2_implementation.cc')
| -rw-r--r-- | gpu/command_buffer/client/gles2_implementation.cc | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/gpu/command_buffer/client/gles2_implementation.cc b/gpu/command_buffer/client/gles2_implementation.cc index a8f16f9..6a215a4 100644 --- a/gpu/command_buffer/client/gles2_implementation.cc +++ b/gpu/command_buffer/client/gles2_implementation.cc @@ -2006,5 +2006,60 @@ void GLES2Implementation::RateLimitOffscreenContextCHROMIUM() { rate_limit_tokens_.push(helper_->InsertToken()); } +void GLES2Implementation::GetMultipleIntegervCHROMIUM( + const GLenum* pnames, GLuint count, GLint* results, GLsizeiptr size) { + GPU_CLIENT_LOG("[" << this << "] glGetMultipleIntegervCHROMIUM(" + << static_cast<const void*>(pnames) << ", " + << count << ", " << results << ", " << size << ")"); + GPU_CLIENT_LOG_CODE_BLOCK({ + for (GLuint i = 0; i < count; ++i) { + GPU_CLIENT_LOG( + " " << i << ": " << GLES2Util::GetStringGLState(pnames[i])); + } + }); + int num_results = 0; + for (GLuint ii = 0; ii < count; ++ii) { + int num = util_.GLGetNumValuesReturned(pnames[ii]); + if (!num) { + SetGLError(GL_INVALID_ENUM, "glGetMultipleIntegervCHROMIUM: bad pname"); + return; + } + num_results += num; + } + if (static_cast<size_t>(size) != num_results * sizeof(GLint)) { + SetGLError(GL_INVALID_VALUE, "glGetMultipleIntegervCHROMIUM: bad size"); + return; + } + for (int ii = 0; ii < num_results; ++ii) { + if (results[ii] != 0) { + SetGLError(GL_INVALID_VALUE, + "glGetMultipleIntegervCHROMIUM: results not set to zero."); + return; + } + } + uint32 size_needed = + count * sizeof(pnames[0]) + num_results * sizeof(results[0]); + void* buffer = transfer_buffer_.Alloc(size_needed); + GLenum* pnames_buffer = static_cast<GLenum*>(buffer); + void* results_buffer = pnames_buffer + count; + memcpy(pnames_buffer, pnames, count * sizeof(GLenum)); + memset(results_buffer, 0, num_results * sizeof(GLint)); + helper_->GetMultipleIntegervCHROMIUM( + transfer_buffer_id_, transfer_buffer_.GetOffset(pnames_buffer), + count, + transfer_buffer_id_, transfer_buffer_.GetOffset(results_buffer), + size); + WaitForCmd(); + memcpy(results, results_buffer, size); + // 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])); + } + }); +} + } // namespace gles2 } // namespace gpu |