diff options
Diffstat (limited to 'src/gpu/gl/GrGLVertexArray.cpp')
-rw-r--r-- | src/gpu/gl/GrGLVertexArray.cpp | 60 |
1 files changed, 46 insertions, 14 deletions
diff --git a/src/gpu/gl/GrGLVertexArray.cpp b/src/gpu/gl/GrGLVertexArray.cpp index 8cfa8d6550..fdb395d37a 100644 --- a/src/gpu/gl/GrGLVertexArray.cpp +++ b/src/gpu/gl/GrGLVertexArray.cpp @@ -8,14 +8,38 @@ #include "GrGLVertexArray.h" #include "GrGLGpu.h" +struct AttribLayout { + GrGLint fCount; + GrGLenum fType; + GrGLboolean fNormalized; // Only used by floating point types. +}; +static const AttribLayout gLayouts[kGrVertexAttribTypeCount] = { + {1, GR_GL_FLOAT, false}, // kFloat_GrVertexAttribType + {2, GR_GL_FLOAT, false}, // kVec2f_GrVertexAttribType + {3, GR_GL_FLOAT, false}, // kVec3f_GrVertexAttribType + {4, GR_GL_FLOAT, false}, // kVec4f_GrVertexAttribType + {1, GR_GL_UNSIGNED_BYTE, true}, // kUByte_GrVertexAttribType + {4, GR_GL_UNSIGNED_BYTE, true}, // kVec4ub_GrVertexAttribType + {2, GR_GL_SHORT, false}, // kVec2s_GrVertexAttribType + {1, GR_GL_INT, false}, // kInt_GrVertexAttribType + {1, GR_GL_UNSIGNED_INT, false}, // kUint_GrVertexAttribType +}; + +GR_STATIC_ASSERT(0 == kFloat_GrVertexAttribType); +GR_STATIC_ASSERT(1 == kVec2f_GrVertexAttribType); +GR_STATIC_ASSERT(2 == kVec3f_GrVertexAttribType); +GR_STATIC_ASSERT(3 == kVec4f_GrVertexAttribType); +GR_STATIC_ASSERT(4 == kUByte_GrVertexAttribType); +GR_STATIC_ASSERT(5 == kVec4ub_GrVertexAttribType); +GR_STATIC_ASSERT(6 == kVec2s_GrVertexAttribType); +GR_STATIC_ASSERT(7 == kInt_GrVertexAttribType); +GR_STATIC_ASSERT(8 == kUint_GrVertexAttribType); void GrGLAttribArrayState::set(GrGLGpu* gpu, int index, GrGLuint vertexBufferID, - GrGLint size, - GrGLenum type, - GrGLboolean normalized, + GrVertexAttribType type, GrGLsizei stride, GrGLvoid* offset) { SkASSERT(index >= 0 && index < fAttribArrayStates.count()); @@ -27,23 +51,31 @@ void GrGLAttribArrayState::set(GrGLGpu* gpu, } if (!array->fAttribPointerIsValid || array->fVertexBufferID != vertexBufferID || - array->fSize != size || - array->fNormalized != normalized || + array->fType != type || array->fStride != stride || array->fOffset != offset) { gpu->bindVertexBuffer(vertexBufferID); - GR_GL_CALL(gpu->glInterface(), VertexAttribPointer(index, - size, - type, - normalized, - stride, - offset)); + const AttribLayout& layout = gLayouts[type]; + if (!GrVertexAttribTypeIsIntType(type)) { + GR_GL_CALL(gpu->glInterface(), VertexAttribPointer(index, + layout.fCount, + layout.fType, + layout.fNormalized, + stride, + offset)); + } else { + SkASSERT(gpu->caps()->shaderCaps()->integerSupport()); + SkASSERT(!layout.fNormalized); + GR_GL_CALL(gpu->glInterface(), VertexAttribIPointer(index, + layout.fCount, + layout.fType, + stride, + offset)); + } array->fAttribPointerIsValid = true; array->fVertexBufferID = vertexBufferID; - array->fSize = size; - array->fNormalized = normalized; - array->fStride = stride; + array->fType = type; array->fOffset = offset; } } |