diff options
Diffstat (limited to 'libs')
| -rw-r--r-- | libs/hwui/Program.cpp | 9 | ||||
| -rw-r--r-- | libs/hwui/Program.h | 5 | ||||
| -rw-r--r-- | libs/hwui/ProgramCache.cpp | 15 |
3 files changed, 19 insertions, 10 deletions
diff --git a/libs/hwui/Program.cpp b/libs/hwui/Program.cpp index 5b1b57d..f0b5553 100644 --- a/libs/hwui/Program.cpp +++ b/libs/hwui/Program.cpp @@ -81,6 +81,7 @@ Program::Program(const ProgramDescription& description, const char* vertex, cons if (mInitialized) { transform = addUniform("transform"); + projection = addUniform("projection"); } } @@ -152,18 +153,20 @@ GLuint Program::buildShader(const char* source, GLenum type) { void Program::set(const mat4& projectionMatrix, const mat4& modelViewMatrix, const mat4& transformMatrix, bool offset) { - mat4 t(projectionMatrix); + mat4 p(projectionMatrix); if (offset) { // offset screenspace xy by an amount that compensates for typical precision // issues in GPU hardware that tends to paint hor/vert lines in pixels shifted // up and to the left. // This offset value is based on an assumption that some hardware may use as // little as 12.4 precision, so we offset by slightly more than 1/16. - t.translate(.375, .375, 0); + p.translate(.375, .375, 0); } - t.multiply(transformMatrix); + + mat4 t(transformMatrix); t.multiply(modelViewMatrix); + glUniformMatrix4fv(projection, 1, GL_FALSE, &p.data[0]); glUniformMatrix4fv(transform, 1, GL_FALSE, &t.data[0]); } diff --git a/libs/hwui/Program.h b/libs/hwui/Program.h index b1cb446..7e3aacf 100644 --- a/libs/hwui/Program.h +++ b/libs/hwui/Program.h @@ -374,6 +374,11 @@ public: */ int transform; + /** + * Name of the projection uniform. + */ + int projection; + protected: /** * Adds an attribute with the specified name. diff --git a/libs/hwui/ProgramCache.cpp b/libs/hwui/ProgramCache.cpp index 7bc2b37..f536ade 100644 --- a/libs/hwui/ProgramCache.cpp +++ b/libs/hwui/ProgramCache.cpp @@ -48,6 +48,7 @@ const char* gVS_Header_Attributes_AAVertexShapeParameters = const char* gVS_Header_Uniforms_TextureTransform = "uniform mat4 mainTextureTransform;\n"; const char* gVS_Header_Uniforms = + "uniform mat4 projection;\n" \ "uniform mat4 transform;\n"; const char* gVS_Header_Uniforms_IsPoint = "uniform mediump float pointSize;\n"; @@ -104,28 +105,28 @@ const char* gVS_Main_OutTransformedTexCoords = const char* gVS_Main_OutGradient[6] = { // Linear " linear = vec2((screenSpace * position).x, 0.5);\n" - " ditherTexCoords = (gl_Position * ditherSize).xy;\n", + " ditherTexCoords = (transform * position).xy * ditherSize;\n", " linear = (screenSpace * position).x;\n" - " ditherTexCoords = (gl_Position * ditherSize).xy;\n", + " ditherTexCoords = (transform * position).xy * ditherSize;\n", // Circular " circular = (screenSpace * position).xy;\n" - " ditherTexCoords = (gl_Position * ditherSize).xy;\n", + " ditherTexCoords = (transform * position).xy * ditherSize;\n", " circular = (screenSpace * position).xy;\n" - " ditherTexCoords = (gl_Position * ditherSize).xy;\n", + " ditherTexCoords = (transform * position).xy * ditherSize;\n", // Sweep " sweep = (screenSpace * position).xy;\n" - " ditherTexCoords = (gl_Position * ditherSize).xy;\n", + " ditherTexCoords = (transform * position).xy * ditherSize;\n", " sweep = (screenSpace * position).xy;\n" - " ditherTexCoords = (gl_Position * ditherSize).xy;\n", + " ditherTexCoords = (transform * position).xy * ditherSize;\n", }; const char* gVS_Main_OutBitmapTexCoords = " outBitmapTexCoords = (textureTransform * position).xy * textureDimension;\n"; const char* gVS_Main_OutPointBitmapTexCoords = " outPointBitmapTexCoords = (textureTransform * position).xy * textureDimension;\n"; const char* gVS_Main_Position = - " gl_Position = transform * position;\n"; + " gl_Position = projection * transform * position;\n"; const char* gVS_Main_PointSize = " gl_PointSize = pointSize;\n"; const char* gVS_Main_AALine = |