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Moved new shader locations to end of enum to avoid breaking existing examples. Added gpu skinning on drawing of instanced meshes.

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This commit is contained in:
Daniel Holden 2024-09-14 16:16:05 -04:00
parent 8d9ddbe09c
commit 568e736fd9
2 changed files with 38 additions and 5 deletions
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8
src/raylib.h
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@ -773,14 +773,11 @@ typedef enum {
SHADER_LOC_VERTEX_NORMAL, // Shader location: vertex attribute: normal
SHADER_LOC_VERTEX_TANGENT, // Shader location: vertex attribute: tangent
SHADER_LOC_VERTEX_COLOR, // Shader location: vertex attribute: color
SHADER_LOC_VERTEX_BONEIDS, // Shader location: vertex attribute: boneIds
SHADER_LOC_VERTEX_BONEWEIGHTS, // Shader location: vertex attribute: boneWeights
SHADER_LOC_MATRIX_MVP, // Shader location: matrix uniform: model-view-projection
SHADER_LOC_MATRIX_VIEW, // Shader location: matrix uniform: view (camera transform)
SHADER_LOC_MATRIX_PROJECTION, // Shader location: matrix uniform: projection
SHADER_LOC_MATRIX_MODEL, // Shader location: matrix uniform: model (transform)
SHADER_LOC_MATRIX_NORMAL, // Shader location: matrix uniform: normal
SHADER_LOC_BONE_MATRICES, // Shader location: array of matrices uniform: boneMatrices
SHADER_LOC_VECTOR_VIEW, // Shader location: vector uniform: view
SHADER_LOC_COLOR_DIFFUSE, // Shader location: vector uniform: diffuse color
SHADER_LOC_COLOR_SPECULAR, // Shader location: vector uniform: specular color
@ -795,7 +792,10 @@ typedef enum {
SHADER_LOC_MAP_CUBEMAP, // Shader location: samplerCube texture: cubemap
SHADER_LOC_MAP_IRRADIANCE, // Shader location: samplerCube texture: irradiance
SHADER_LOC_MAP_PREFILTER, // Shader location: samplerCube texture: prefilter
SHADER_LOC_MAP_BRDF // Shader location: sampler2d texture: brdf
SHADER_LOC_MAP_BRDF, // Shader location: sampler2d texture: brdf
SHADER_LOC_VERTEX_BONEIDS, // Shader location: vertex attribute: boneIds
SHADER_LOC_VERTEX_BONEWEIGHTS, // Shader location: vertex attribute: boneWeights
SHADER_LOC_BONE_MATRICES // Shader location: array of matrices uniform: boneMatrices
} ShaderLocationIndex;
#define SHADER_LOC_MAP_DIFFUSE SHADER_LOC_MAP_ALBEDO

35
src/rmodels.c
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@ -1738,6 +1738,13 @@ void DrawMeshInstanced(Mesh mesh, Material material, const Matrix *transforms, i
// Upload model normal matrix (if locations available)
if (material.shader.locs[SHADER_LOC_MATRIX_NORMAL] != -1) rlSetUniformMatrix(material.shader.locs[SHADER_LOC_MATRIX_NORMAL], MatrixTranspose(MatrixInvert(matModel)));
// Upload Bone Transforms
if (material.shader.locs[SHADER_LOC_BONE_MATRICES] != -1 && mesh.boneMatrices)
{
rlSetUniformMatrices(material.shader.locs[SHADER_LOC_BONE_MATRICES], mesh.boneMatrices, mesh.boneCount);
}
//-----------------------------------------------------
// Bind active texture maps (if available)
@ -1815,7 +1822,33 @@ void DrawMeshInstanced(Mesh mesh, Material material, const Matrix *transforms, i
rlEnableVertexAttribute(material.shader.locs[SHADER_LOC_VERTEX_TEXCOORD02]);
}
if (mesh.indices != NULL) rlEnableVertexBufferElement(mesh.vboId[6]);
// Bind mesh VBO data: vertex bone ids (shader-location = 6, if available)
if (material.shader.locs[SHADER_LOC_VERTEX_BONEIDS] != -1)
{
if (mesh.vboId[6] != 0)
{
rlEnableVertexBuffer(mesh.vboId[6]);
rlSetVertexAttribute(material.shader.locs[SHADER_LOC_VERTEX_BONEIDS], 4, RL_UNSIGNED_BYTE, 0, 0, 0);
rlEnableVertexAttribute(material.shader.locs[SHADER_LOC_VERTEX_BONEIDS]);
}
else
{
// Set default value for defined vertex attribute in shader but not provided by mesh
// WARNING: It could result in GPU undefined behaviour
float value[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
rlSetVertexAttributeDefault(material.shader.locs[SHADER_LOC_VERTEX_BONEIDS], value, SHADER_ATTRIB_VEC4, 4);
rlDisableVertexAttribute(material.shader.locs[SHADER_LOC_VERTEX_BONEIDS]);
}
}
if (material.shader.locs[SHADER_LOC_VERTEX_BONEWEIGHTS] != -1)
{
rlEnableVertexBuffer(mesh.vboId[7]);
rlSetVertexAttribute(material.shader.locs[SHADER_LOC_VERTEX_BONEWEIGHTS], 4, RL_FLOAT, 0, 0, 0);
rlEnableVertexAttribute(material.shader.locs[SHADER_LOC_VERTEX_BONEWEIGHTS]);
}
if (mesh.indices != NULL) rlEnableVertexBufferElement(mesh.vboId[8]);
}
int eyeCount = 1;